their /ˈðeɚ/ /ðɚ/ adjective Learner's definition of THEIR
always used before a noun
1
: relating to or belonging to certain people, animals, or things他们的,她们的,它们的(they的所有格) -
All the furniture in their house is brand-new.他们房子里的所有家具都是崭新的。
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They are on friendly terms with their neighbors.他们和邻居们相处和睦。
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The students are seeking to exercise their rights.学生们在争取行使自己的权利。
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The birds have left their nest.这些鸟儿已经离巢。
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The trees have all shed their leaves.树木已经掉光了叶子。
: made or done by certain people, animals, or things他们的,她们的,它们的(指由…做出的) -
Their artwork is on display at the museum.他们的艺术作品在博物馆展出。
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They did their best.他们已经尽了全力。
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Their conversation went well.他们的谈话进展顺利。
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He was angry because of their arriving/being late.他们的迟到令他生气。
2
: his or her : his : her : its —
used to refer to a single person whose sex is not known or specified他的,她的,它的(用于指性别不详的某个人的) ◊ Do not confuse their with there or they're.