Theirs are the children with very fair hair.
他们的孩子是那些长着满头金发的。
It's a favourite game of theirs.
这是他们最喜爱的游戏。
1.他们的东西,他[她]们的亲属[或有关的人]
2.他(她)的=his, hers
1.used for referring to someone or something that belongs to or is connected with a particular group of people or animals that have already been mentioned
2.used instead of “his or hers,” especially when you are referring back to a word such as “everyone,” “someone,” or “anyone”
1.Don't get me wrong, theirs was not a leap into the dark, but a step into the light.
请你别误解我，他们的举动不是扑向黑暗，而是向光明跨前一步。
2.The young man decided to ask if they would allow him to purchase another meal for them so that they didn't have to split theirs .
年轻人决定上前请那对夫妇允许他为他们再买一份单人餐，这样他们就不用分一份了。
3.Although gifts are placed under the tree on Christmas Eve for the children, parents and adults do not exchange theirs until New Year's Day.
虽然，父母或家里的其他大人在圣诞节前夜把给小孩的礼物放在圣诞树下，但是直到新年他们才能互换礼物。
4.Given how much other people apparently use theirs, it seems I'm not alone in that feeling.
看看其他人使用iPad那种风势就知道这不仅仅是我个人的感受了。
5.It was no surprise that most of Russia's intelligentsia did not recognise Yeltsin as one of "theirs" .
这就不难解释为何俄罗斯知识界大多不承认叶利钦是他们其中一员。
6."It is true that the enemy won the battle, but theirs is but a Pyrrhic victory, " said the General.
将军说：“敌人确实赢得了战斗，但他们的胜利只是皮洛士的胜利*，得不偿失。”
7.So it is alarmed that peasants living close to cities have increasingly been behaving as if the land is theirs anyway.
这提出了一项警告临近城市的农民正日益的认为土地不管怎样就是他们的。
8.Abusive governments and their allies, trying to prevent the vigorous enforcement of human rights, have had no qualms about raising theirs.
因为残暴的政府和盟友在阻止他人积极维权时，毫不顾忌地公开表示意见。
9.Just watch out, if your co-workers notice you getting good at it they're likely to start asking for to help with theirs!
等着瞧，如果你的同事注意到你的幻灯片开始变好，他们很可能会开始请你帮帮他们改进一下自己的片子！
10.Theirs was out in the front yard, and had a little bed and a small table with a coal-oil lantern on it.
曾外祖父家的地窖挖在前院，里面摆着一张小床和一张小桌子，桌上放着盏煤油灯。