They act as if they know where they're going.

他们显得好像很清楚自己在走向何方。

youdao

You will inspire others to follow their own dreams, even if they know nothing about you.

你会鼓舞他人去追随他们自己的梦想，即使他们对你一无所知。

youdao

Even if they know what the company is up to, they still have no idea what they're paying for Facebook, because people don't really know what their personal data is worth.

即使他们知道公司在做什么，他们仍然不知道他们给 Facebook 付了多少钱，因为人们对自己的个人信息值多少钱没有确切概念。

youdao

He says international students should know that this can affect them in the future if they try to re-enter the United States.

VOA: special.2009.04.02

Somebody try and wave their hands in the air if they know the answer.

谁知道答案,请举手回答一下

耶鲁公开课 - 博弈论课程节选

that's, that's if they know, the best thing about it.

那就是关于它最好的结果了。

在公园相遇的老师 - SpeakingMax英语口语达人

Residents may react differently if they know the intensity of the tornado heading toward them.

CNN: SHARE THIS

If they know someone from a rival school is cheating, they are less likely to cheat.

FORBES: Magazine Article

Economists say Japanese consumers will spend more if they know prices are going to rise.

NPR: Fed Keeps Stimulus, Says Taxes And Cuts Have Hurt