" If need be, we can summon many more" .

" 如果必要，我们能召集更多人手。"

Or get us to another one, if need be.

或者在必要时带我们去新的星球。

A quick reminder if you're needed at this stage.

如果现在需要的话，我提醒你一下。

You may wonder if light is also needed for life to form.

你可能会想阳光是不是生命形成的必要条件。

It is not clear if this is needed as many travelers just fly.

还不清楚是否需要尽可能多的旅行者。

He once asserted that suspected criminals should be killed if need be.

他曾宣称如果有必要，所有的嫌犯都该被杀。

He threatened again to close the border with Mexico, quote, permanently if need be.

他再次威胁关闭美墨边境，称“如有必要，将永久关闭边境”。

Minus-minded managers will give employees permission not to attend if they are not needed.

有减法思维的经理会允许员工不参加不必要的会议。

French President Emmanuel Macron said, " We don't mind being G-6, if needs be, "

法国总统马克龙声称，“如有必要，我们也不介意变成六国集团。”

In negative ways, they will adapt to the situation and to you if need be.

从消极的方面看，他们会适应环境，如果需要的话，也会适应于你。

But the Trump administration says U.S. military action there is possible if it's needed.

但是特朗普政府表示，如果需要，美国可能对委内瑞拉采取军事行动。

This is also great if you're just needing a little creativity in your life.

如果你在生活中只需要一点创造力，这是个很好的选择。

Yet the officers held their ground, ready to die for duty's sake if need be.

然而军官准备好了 如果需要，为了责任而死。

" Will they come over to us, if need be" ?

" 必要时，他们会投奔我们么？"

We had joked that he was half mountain goat, able to scale waterfalls if need be.

我们还开玩笑说，他是半个野山羊，如果需要的话，他可以爬到瀑布上。

Are you willing to sacrifice user time, if need be, to go for a more reflective conversation?

你愿意牺牲用户的时间吗，如果需要的话，进行更多反思的谈话？

" That certainly includes in Syria, " he said. " It certainly includes into Iran, if need be."

“该地区当然包括在叙利亚了，”他说。“有必要的话，当然也包括伊朗。”

Vietnamese officials say they will be able to request the information if it is needed for an investigation.

越南官员表示，如果调查需要，他们将能够要求公司提供相关信息。

Is the U.S., is the Pentagon really positioned to deploy American troops to Eastern Europe if need be?

如果有需要，美国，或者说五角大楼真的会在东欧部署兵力吗？

They will simply not be at the courthouse, and they will not be engaged if they are not needed.

他们根本不在法院，如果不需要，他们就不会参与。