it's

It's imperative that he (should) not be seen here.

他应该呆在这儿。

It's impossible to generalize about children's books, as they are all different.

儿童读物五花八门, 可能一概而论。

It's not safe to gamble on the train arriving late.

指望这次列车晚点是很保准。

It's you include your spark of life, your nattiness, your humors, your exultation, your turndown.

你阳光，你帅气，你幽默，你得意，你低回，都是你。

It's difficult to decide the position of the unit in evolutional seriary of magma.

该单元在岩浆演化序列中所处1以确定。

It's easier to go with the tide than to oppose the views of the majority.

顺应潮流要比反对大多数人意见来得容易。

It's much easier to get into a habit than quit it.

养成一种比掉一种容易得多。

King is just a figurehead; it's the president who has the real power.

"国王仅仅是挂名首脑,总统才真正握有实权。"

He's not used to making speeches in public; it's so embarrassing.

"他在大庭广众中演讲,因为这太使人窘迫了。"

You'll have to edit that tape, it's too long.

那盘录音带太长, 你得把它剪辑一下。

So it's appropriate that the new edginess is voiced by a freestyle moguls skier.

因此，当一个著名花样滑雪运动员畅谈对完美态度转变时，没有人比这更有说服力了。

It's the third time that he changed his mind; he's so fickle!

"他变主意已经是第三回了,他这人太反复无常了!"

It's an essay heavy with surplus phrasing.

这是篇废话连篇散文。

It's only a small disagreement—don't make an issue of it.

那仅仅是个小分歧——咱们别小题大做。

It's the high fever that's been dragging him down.

是这场高烧把他身体拖垮。

You don't have any authority for entering this house. It's private.

你们没有任何权力进入这所房子,这是私宅。

It's evident that he wants to make a cat's paw of you.

很明显, 他是在利用你。

It's evident to me that they have no experience in this work.

在我看来, 他们干这项工作没有经验是显而易见。

It's evident that the plan is impracticable.

很明显这计划是能实现。

I'm afraid it's all a dreadful mistake.

看来全都大错特错了。