They wake up.We need some way to refer to these people, so we can start talking about who they are.

他们醒来之后，我们需要让人们，了解这种情况以便探讨他们是谁。

耶鲁公开课 - 死亡课程节选

Or you could use the "who" question to find out who somebody's favorite actor or actress is.

又或者你可以用“who”问句来了解其他人最欣赏的男女演员是谁。

Who 课堂 - SpeakingMax英语口语达人

Just a quick check and this is not for the camera, how many of you have seen Bertrand competition before?

我们迅速了解一下,这不是为了录影,你们谁之前学过伯川德竞争

耶鲁公开课 - 博弈论课程节选

Those of you who would like to know more about it, I recommend reading more Platonic dialogues or taking a class in ancient philosophy.

如果你们当中有谁想做更多的了解,我推荐去读柏拉图对话集,或者选修古代哲学课程

耶鲁公开课 - 死亡课程节选

Who was this man ? and how to understand his writings?

这个人是谁,要如何了解他的著作？

耶鲁公开课 - 政治哲学导论课程节选

Then you know, you might say, who would buy the paper of an SIV?

这样你们就了解了,你们可能会说,谁会购买SIV发行的票据呢

耶鲁公开课 - 金融市场课程节选

He just sort of plunges you into their speech, into their lives, and you have to, in a sense, work to get into their character to be able to keep track of who is speaking.

他就是将你拉入他们的语言他们的生活，某种意义上来说你不得不，努力去进入他们的角色,以便了解是谁在说话。

耶鲁公开课 - 现代诗歌课程节选