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     empezar lección
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      to disappear suddenly, especially in a way that cannot be easily explained   
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      a very small number of people or things   
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      a small round mark or spot   
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      the line far away where the land or sea seems to meet the sky   
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     empezar lección
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      if a person or a thing is reflected in a mirror, glass, or water, you can see an image of the person or thing on the surface of the mirror, glass, or water   
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     empezar lección
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      experience etc that has been learned or gained by doing something yourself or by talking to someone yourself   
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     empezar lección
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      to travel in a curved path around a much larger object such as the Earth, the Sun etc   
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     empezar lección
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      a very small amount of something   
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      a period of time spent doing a particular job or activity   
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      someone who has been a soldier, sailor etc in a war   
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     empezar lección
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      the movement of someone or something through the air without engine power   
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     empezar lección
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      cinema film showing a particular event   
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     empezar lección
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      if something floats, it moves slowly through the air or stays up in the air   
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     empezar lección
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      the force that causes something to fall to the ground or to be attracted to another planet   
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     empezar lección
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      the height of an object or place above the sea   
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     empezar lección
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      to drive a car slowly through a place with no particular purpose   
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     empezar lección
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      extremely and often dangerously fast   
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      if a ship docks, or if the captain docks it, it sails into a dock so that it can unload   
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     empezar lección
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      to make something as good as you are able to   
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     empezar lección
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      careful to avoid danger or risks   
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     empezar lección
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      a piece of paper with a price on it that is attached to something in a shop   
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     empezar lección
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      to make two or more things the same in size, value, amount etc   
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     empezar lección
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      a small hole in the wall or floor between two rooms, or the door that covers it   
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     empezar lección
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      a situation in which everything is happening in a confused way and nothing is organized or arranged in order   
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     empezar lección
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      a method that is a skilful and clever   
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     empezar lección
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      a long line or a series of marks that have been left by someone or something   
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      like a bull in a china shop    empezar lección
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      if you are like a bull in a china shop, you keep knocking things over, dropping things, breaking things etc   
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     empezar lección
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      if something happens or is done at close quarters, it happens inside a small space or is done from a short distance away   
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     empezar lección
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      a part of your body that is swollen is bigger than usual, especially because you are ill or injured   
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     empezar lección
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      to get rid of something so that it has gone completely and no longer exists   
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     empezar lección
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      wrinkles are lines on your face and skin that you get when you are old   
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     empezar lección
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      create a situation in which there is a lot of damage or a lack of order, especially so that it is difficult for something to continue in the normal way   
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     empezar lección
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      attack or shock, sometimes in a positive way   
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     empezar lección
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      continuing for a long time without stopping   
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     empezar lección
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      a single journey around a race track   
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     empezar lección
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      if someone in authority imposes a rule, punishment, tax etc, they force people to accept it   
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     empezar lección
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     empezar lección
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      to move smoothly and quietly, as if without effort   
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     empezar lección
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      to lower the anchor on a ship or boat to hold it in one place   
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     empezar lección
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      a large heavy person or thing   
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     empezar lección
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      if two systems, places etc are interconnected, or if they interconnect, they are joined together   
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     empezar lección
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      to settle into a warm comfortable position   
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     empezar lección
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     empezar lección
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      if something, especially something big or heavy, hurtles somewhere, it moves or falls very fast   
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     empezar lección
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      an occasion when a pilot has to bring a plane down to the ground in a sudden and dangerous way because the plane has a problem   
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     empezar lección
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      something that is weightless seems to have no weight, especially when it is floating in space or water   
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     empezar lección
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      the force that causes something to fall to the ground or to be attracted to another planet   
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     empezar lección
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      to work very hard and use a lot of physical or mental energy   
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      the practice of keeping yourself and the things around you clean in order to prevent diseases   
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      not fully conscious of what is happening around you, especially because you are extremely tired or have taken drugs   
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     empezar lección
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      used humorously to say that someone's ideas are not at all practical or sensible   
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     empezar lección
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      used to say that something is not difficult to do or understand   
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     empezar lección
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      if a price or amount rockets, it increases quickly and suddenly   
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     empezar lección
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      to quickly look at someone or something   
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     empezar lección
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      to see someone or something for a moment without getting a complete view of them   
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     empezar lección
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      to read something quickly   
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     empezar lección
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      to feel uncomfortable because you feel you do not belong in a place or situation   
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     empezar lección
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      very likely to make someone angry or upset   
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     empezar lección
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      extremely stubborn and determined   
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      exactly the same in appearance, behaviour etc   
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      like water off a duck's back    empezar lección
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      if criticism, warnings etc are like water off a duck's back, they have no effect on the person you are saying them to   
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     empezar lección
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      exactly the same, or very similar   
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     empezar lección
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      too unpleasant, painful, or annoying to deal with   
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     empezar lección
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      without being affected or influenced by something   
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      (idea) get off the ground    empezar lección
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      to start to be successful   
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     empezar lección
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      to change a situation completely, by doing something that has not been done before   
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     empezar lección
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      o take an opportunity, accept an invitation etc immediately:   
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     empezar lección
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      the state of making someone or something do what you want or making something happen in the way you want   
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     empezar lección
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      someone who is disabled cannot use a part of their body properly, or cannot learn easily   
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     empezar lección
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      a part of an area of activity, especially of business, trade etc   
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     empezar lección
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      a part that is fitted to the end of a hose, pipe etc to direct and control the stream of liquid or gas pouring out   
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     empezar lección
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      a machine that makes it easier for you to do a particular job   
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     empezar lección
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      not necessary because something else means or does the same thing   
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     empezar lección
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      used when the amount of one thing is the same as the amount of another thing   
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     empezar lección
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      how suitable something is, or whether it will work   
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     empezar lección
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      if a planned event, piece of work etc goes smoothly, there are no problems to spoil it   
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     empezar lección
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      to make certain that something will happen properly   
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     empezar lección
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      to bend the top part of your body forward in order to show respect for someone important, or as a way of thanking an audience   
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     empezar lección
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      very different from the way people usually behave, think, dress etc   
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     empezar lección
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      the soft grey powder that remains after something has been burned   
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     empezar lección
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      covered or surrounded completely   
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     empezar lección
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      if something is out of the question, it is definitely not possible or not allowed   
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     empezar lección
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      something that is precious is valuable and important and should not be wasted or used without care   
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     empezar lección
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      to make someone feel annoyed or impatient, especially by doing something many times or for a long period of time   
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     empezar lección
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      bad-tempered and unfriendly   
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     empezar lección
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      an increase in amount, number, or size   
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     empezar lección
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      a belief or opinion that most people have   
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     empezar lección
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      a round part of an organ in your body, especially in your brain or lungs   
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     empezar lección
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      a sudden strong desire to do something without thinking about whether it is a sensible thing to do   
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     empezar lección
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     empezar lección
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      to cover something with a thin layer of something else   
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     empezar lección
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     empezar lección
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      a particular type of solid, liquid, or gas   
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     empezar lección
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      something that is unacceptable is so wrong or bad that you think it should not be allowed   
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     empezar lección
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      to look after and influence a child until he or she is grown up   
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     empezar lección
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      the job of being an apprentice, or the period of time in which you are an apprentice   
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     empezar lección
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      to spend a lot of time in a particular place or with particular people   
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     empezar lección
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      to stop someone from doing something, often by using physical force   
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     empezar lección
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      an ability to do something well, which you need for everyday life   
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     empezar lección
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      something that is erratic does not follow any pattern or plan but happens in a way that is not regular   
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     empezar lección
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      an innate quality or ability is something you are born with   
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     empezar lección
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     empezar lección
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      to think or guess that something is smaller, cheaper, easier etc than it really is   
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     empezar lección
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      attractive or interesting   
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     empezar lección
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      to spend time lazily, doing things slowly and in a way that is not planned   
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     empezar lección
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      something that is crucial is extremely important, because everything else depends on it   
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     empezar lección
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      to set a machine to operate in a particular way   
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     empezar lección
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      the system in plants and animals that controls when they sleep, eat, produce babies etc   
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     empezar lección
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      to work in the correct or intended way   
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     empezar lección
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      if things are out of sync, they are not working well together at exactly the same time and speed   
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     empezar lección
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      to do what needs to be done because you have not been able to do it until now   
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     empezar lección
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      a radical change or difference is very big and important   
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      a piece of a soft natural or artificial substance full of small holes, which can suck up liquid and is used for washing   
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      liking something so much that you do not want to stop doing it or having it   
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     empezar lección
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     empezar lección
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     empezar lección
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      to encourage or help an activity to begin or develop further   
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     empezar lección
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      to put too many things or people on or into something   
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     empezar lección
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      to change, or to make someone or something change   
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     empezar lección
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      a type of animal that drinks milk from its mother’s body when it is young. Humans, dogs, and whales are mammals.   
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     empezar lección
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      continuing or developing gradually or without stopping, and not likely to change   
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     empezar lección
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      to succeed in dealing with a difficult problem or situation   
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     empezar lección
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      an acute problem is very serious   
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     empezar lección
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      the difference between the amount of something that you have and the higher amount that you need   
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     empezar lección
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      to think of ideas and make decisions very quickly   
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     empezar lección
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      confused or not sure what to do   
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     empezar lección
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      able to learn easily and think quickly   
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     empezar lección
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      not able to understand things easily   
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     empezar lección
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     empezar lección
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      confused and not understanding what is happening around you   
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     empezar lección
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     empezar lección
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      having a natural ability to do one or more things extremely well   
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      have a good head on one's shoulders    empezar lección
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      be sensible and down to earth   
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     empezar lección
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      your IQ is your level of intelligence, measured by a special test, with 100 being the average result   
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     empezar lección
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     empezar lección
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     empezar lección
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      confused and worried by something that you do not understand   
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     empezar lección
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      a precocious child shows intelligence or skill at a very young age, or behaves in an adult way – sometimes used to show disapproval in British English   
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     empezar lección
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      able to think and understand things quickly   
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     empezar lección
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      not quick to understand something new   
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     empezar lección
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     empezar lección
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      completely stupid and without any purpose   
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     empezar lección
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      something that makes you notice, remember, or think about something   
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     empezar lección
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      something from the past that you remember   
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     empezar lección
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      to remember a particular fact, event, or situation from the past   
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