Vigilance is necessary if you want to beat the odds.

如果你想打破常规，保警惕。

And that means that the nucleus must be intact.

这就意味着细胞核保完整。

There's a linguistics standard that has to be maintained.

存在要保的语言标准。

I must keep my nerve. I must keep my nerve, he said through tight teeth.

“我保，保，”他咬紧牙关说道。

Thankfully, there is a way out of this trap, but it involves striking a subtle balance.

谢天谢地，还有办法摆脱困境，但是保微妙的平衡。

Constant vigilance is necessary in order to avoid accidents.

为了避免意外事故， 常保警惕。

We must remain vigilant, act fast and aggressively and look out for one another.

我们保警惕，迅速采取积极行动，互相关照。

But there was a general consensus among participants that Ukraine must remain united.

但与会者达成了一个共识，那就是乌克兰保团结。

To qualify for the bonus, they must maintain a healthy weight.

要获得奖金，他们保健康的体重。

'I must keep in good health, and not die, ' I replied.

“我保健康，不要死去。”我答道。

We and all Americans might be weary of today's politics, but we must stay engaged.

我们和所有美国人都厌倦了当今的政治，但我们保忙碌。

You must be sure not to lose your cool.

你保定，不能失了风度。

So before they actually play, they have to be calm surrender.

在他们真正开始比赛之前，他们保沉稳、冷。

So that balance has to be maintained.

因此，保这种平衡。

Students are required to maintain silence in the library.

学生在图书馆里保安。

We have to stay engaged in the process.

我们保参与。

That is the hard reality we face today, said Ms. Glick. We must remain vigilant.

这也是我们今天面临的现实。我们保警觉。

But we must be very quiet, or he will take fright and fly away.

但我们保安，否则他会被惊吓飞走。

The response to those states must be constant vigilance.

应对这些国家要始终保警惕。

See? ! See you have to stay active right?

看到了？！所以你保运动，对吧？