I want to be able to be fluent.

希望流利。

The profit margins, however, proved to be unattainable.

毛利，然而，被证明是难以达到。

One day, I hope to be-- to be married.

有一天，希望可以--可以结婚。

I was told to be early and I'm going to be late.

本被告知要早点来，但现在就要迟到了。

We can not afford to be gauche.

们不举止粗鲁。

You're not supposed to be here. No one is supposed to be here.

你不该在这儿。这里不该有人。

I have to be sharp and clever, lest I go hungry.

得机智灵活，要不然就挨饿。

The law has yet to be implemented.

但是，该法律尚未实施。

I used to be so young. I used to be so strong.

想当年多么年轻，多么强壮。

My dream is to be an engineer.

梦想是成为一名工程师。

Sometimes it's best to be deliberately fuzzy and vague.

有时最好谨慎地表现出一种模糊态度。

Thank you, John. Nice to be here.

谢谢你，约翰。很高兴来到这里。

Be the good girl you always have to be.

必须当个好女孩就像以前一样。

My role is to be sly, obsequious and without scruples.

就该诡计多端 阿谀逢迎 行事无孔不入。

You want to be similar to Barack Obama, nobody wants to be Donald Trump.

你想成为巴拉克·奥巴马，没人想成为唐纳德·特朗普。

So in order to do that, you have to be versatile.

所以那样 你就得无所不会。

The small study needs to be replicated on a large scale to be confirmed.

这样小型研究还需要通过大量重复试验才有可靠结果。

Those boys are no more fit to be soldiers than you are to be captain.

那些小兵跟你这校尉一样逊。

This is a moment where it is better to be safe than to be sorry.

现在这样时刻，安全比同情为重要。

So it's got to be true. It's got to be a necessary truth.

所以它必须成立 也必须成为必然真理。