They also move their tails up and down when they swim, while fish move theirs sideside.

Our house is number 25, and theirs is just opposite.

我们的房子是25号,他们的就在对面。

It's a habit of theirs.

这是他们一种习惯.

Our school is here and theirs is there.

我们的学校在这儿,她们的在那儿.

As we keep our own commitments, we must hold other nations accountable for theirs.

在我们履行自己的承诺之时, 我们还必须使其他国家为他们做出的承诺负责.

When our washing machine broke, our neighbours let us use theirs.

我们的洗衣机坏了的时候,邻居就让我们用他们的。

Theirs is a world with inflation.

他们长期置身于一个通货膨胀的世界.

Our football team defeated theirs this time.

这一次我们的足球队胜了他们的足球队.

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。

We compared scores and found that theirs were higher than ours.

我们比较了一下,发现他们的得分比我们的高。

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。

If you compare our quotation with theirs, you will see how favourably ours be.

如果同他们的报价相比, 你就会发现我们的价格是多么优惠.

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。

a terrible experience

令人极不愉快的经历

to be in terrible pain

处于极度痛苦之中

What terrible news!

多么骇人听闻的消息！

a terrible accident

重大事故

He did feel terrible at the time but seems to be fine now...

他当时确实很难受，但现在似乎好了。

(informal)I had a terrible job (= it was very difficult) to persuade her to come.

为劝她来，我费尽了口舌。

Tens of thousands more suffered terrible injuries in the world's worst industrial disaster...

还有成千上万的人在那场全世界最严重的工业灾难中受了重伤。