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known about by only a few people; kept hidden from others

a group of people who form a business, club, etc. together in order to achieve a particular aim

the true facts about something, rather than the things that have been invented or guessed

to think about something and try to decide what is true, what will happen, what you should do, etc.

the sport or activity of swimming

used to show that you are almost certain of what you are saying and want other people to agree with you

the day in each year which is the same date as the one on which you were born

Preferred option among various choices.

used to attract somebody’s attention or to express interest, surprise or anger

the possibility that something will happen

to make it easier or possible for somebody to do something by doing something for them or by giving them something that they need

all things

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a space or hole that somebody/something can pass through

the steady growth of something so that it becomes more advanced, stronger, etc.

a place where something happens or exists; the position of something

to bring or get something back, especially from a place where it should not be

to organize the different parts of an activity and the people involved in it so that it works well

that has been damaged or injured; no longer whole or working correctly

The area surrounding a particular place.

action taken to improve or help a situation

the earth, with all its countries, peoples and natural features

to make sure that somebody/something is not harmed, injured, damaged, etc.

a person who is not known or mentioned by name

something that you think of or remember

help and support from somebody to do something; financial support for something

the clothes worn by people from a particular place or during a particular historical period

connected with the practical use of machines, methods, etc. in science and industry

in a different way from somebody/something

according to what some people say

to be the reason why somebody does something or behaves in a particular way

especially; more than usual or more than others

the action of taking air into the lungs and sending it out again

happening at exactly the right time

used to introduce the second of a list of points you want to make in a speech or piece of writing

a trip that you go on for pleasure or education, usually with a group of people and lasting no more than one day

approximately but not exactly

a thing that is not known or mentioned by name

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who or what somebody/something is

at the time you are speaking or writing; now

the act of making something that has been officially decided start to happen or be used

things that are produced to be sold

of a higher standard or less poor quality; not as bad as something else

a person who is in charge of something, especially an officer in charge of a particular group of soldiers or a military operation

to give somebody something that they can use, or some work or responsibility

Extremely strange or odd.

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I provided assistance in the past.

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An expression used to urge someone to move quickly or to express excitement.

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an opinion or a judgement about somebody/something that has been thought about very carefully

fighting or a fight, especially during a time of war

The practice of secretly gathering information, especially for government or military purposes.

having enough ability, experience and knowledge to be able to do something well

to think that somebody/something is good, acceptable or suitable

in a way that is easy to see or hear

not quite

to decide that somebody/something is not important and not worth thinking or talking about

a short piece of writing to help you remember something

the thing or idea that a sound, word, sign, etc. represents

a large amount; as much or as many as you need

occasionally rather than all of the time

containing or used in magic; like magic