也想一想那些你不知道自己知道的事情——那些你在人生的某个阶段学会的东西可能在另外一些领域里非常有用。

Also think about what you don; t know that you know - the things that you; ve learned in one part of your life that could be very useful in other areas.

youdao

他在房间里悄悄地走来走去，不知道自己在找什么，甚至不知道自己为什么在那里。

He prowled around the room, not sure what he was looking for or even why he was there.

《柯林斯英汉双解大词典》

当他们被单独留在房间时，那些不知道哪些笔会对自己产生电击的学生比那些知道将会发生什么的学生按动的笔更多，也受到更多的电击。

When left alone in the room, the students who did not know which ones would shock them clicked more pens and incurred more shocks than the students who knew what would happen.

youdao

Now,the problem with this is that Papias and these other people didn't really know what they were talking about.

问题是帕皮亚和其他人,根本不知道自己在说什么。

耶鲁公开课 - 新约课程节选

I chose English Literature because when I started off a university, I didn't know what it was I wanted to do.

我选英语文学是因为当我刚上大学的时候，我不知道自己到底想做什么。

为何选那门专业？ - SpeakingMax英语口语达人

I think that those with the idea of we all gonna to die but what of it?

我认为正是那些知道自己会死,却又不知道死亡意味什么的人？

麻省理工公开课 - 电影哲学课程节选