Englishfor English speakers
association
Noun
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An association is a way that two things are similar, belong together, or are connected or related.
I don't see any association between what happened to you and what happened to me.
I suspect there is an association between the weather and the number who are sick.
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An association is a group of people who have a common goal or interest.
The NBA stands for the "National Basketball Association."
I have been a member of the American Psychological Association and the American Speech-Language-Hearing Association.
All the teachers were at an association meeting.
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Association is the when you associate (spend time with certain people).
I'm afraid your association with those wild people will get you in trouble.
for
Preposition
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shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
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For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
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For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
study
Noun
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A study is a formal effort to learn about something, usually with a written report at the end.
A recent study of New Mexico, completed using national survey data, indicates that many older New Mexicans are returning to school.
study
Verb
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If you study something, you make an effort to learn it.
We study math at the school.
of
Preposition
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Made using.
It is a house of cards.
world
Noun
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The Earth.
Our world needs to be cared for.
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The .
I love you more than anybody else in the world.
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The setting of a group of people.
They were in their own world as they talked about trains nobody else knew about.
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A planet.
I wonder if there is life on other worlds.
refugee
Noun
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A refugee is a person who is forced to leave their own country in order to escape war or natural disasters.
problem
Noun
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A problem is something that is difficult to do, understand, or believe.
If you have a problems with the computer, I can probably help.
You should see your doctor if you think you have a health problem.
This book tells you how to deal with drinking problems.
If you are regularly late, it can cause problems.
Today, we are concerned with some serious problems with the product.
I solved the problem by replacing a broken part.
It's a good idea to discuss your problems with a friend.
Problems like these arise from a lack of care.
We've identified a number of problem areas that need to be looked at.
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A problem is a question on a test.
Most students got the right answer for the first problem.
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You say "no problem" to agree to do something.
"Could you open the door for me?" "Sure, no problem!"
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You say "no problem" after somebody thanks you or apologises to you.
"Thank you so much for all your help." "No problem! Any time!"