Learner's definition of THEY
1
: those people, animals, or things他们；她们；它们 -
They dance very well.他们跳舞跳得很好。
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They both played on the football team.他们俩都在橄榄球队打球。
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They are thinking of getting a pet.他们正在考虑养只宠物。
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What are they doing?他们在干什么？
2
—
used to refer to people in a general way or to a group of people who are not specified人们；大家 -
You know what they say: you only live once.你知道人们是怎么说的：生命只有一次。
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They say it will be a mild winter. [=people who predict the weather say that it will be a mild winter]人们都说这将是一个暖冬。
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She's as hardworking as they come. [=she's extremely hardworking]她工作非常努力。
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They will be holding the graduation outdoors if the weather permits.如果天气好的话，大家将在户外举行毕业典礼。
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They took away his license.他们把他的执照拿走了。
3
: he or she —
used to refer to a single person whose sex is not known or specified他，她（用于指性别不详的某个人）