Theirs is the third person plural possessive pronoun. theirs 是第三人称复数所有格代词。
- PRON-POSS 他们的,她们的,它们的(东西)
You use theirs to indicate that something belongs or relates to the group of people, animals, or things that you are talking about.
- There was a big group of a dozen people at the table next to theirs...
他们旁边的桌上坐了一大群人,有十几个。 - It would cost about £3,000 to install a new heating system in a flat such as theirs...
在他们那样的一套公寓房里安装一套新的供暖系统可能要花费 3,000 英镑左右。 - Theirs had been a happy and satisfactory marriage.
他们的婚姻曾经一直幸福美满。
- PRON-POSS (用以代替his or hers,而不指明是男是女;有人认为这种用法不对)
You use theirs instead of 'his or hers' to indicate that something belongs or relates to a person without saying whether that person is a man or a woman. Some people think this use is incorrect.
- He would leave the trailer unlocked. If there was something inside someone wanted, it would be theirs for the taking...
他不会给那个活动房屋上锁。里面要是有什么别人想要的东西,他们可以尽管拿。 - This child is nobody's child until someone makes her theirs officially.
在有人办理正式手续认领以前,这个孩子不属于任何人。