- "She lived unknown and few could know"-- how can she be unknown if few know anything about her?

她不为人知地活着，鲜有人知道她“,如果有任何人知道关于她的任何事情,又怎么能说他不为人知呢？

耶鲁公开课 - 文学理论导论课程节选

But do you know other attractions that visitors might not be familiar with?

但你知不知道哪些游人们一般不太熟悉的景点呢？

有各种社区 - SpeakingMax英语口语达人

This is all by means of review but the question you can now ask is, "Fine. That's why moral feelings might evolve, but what do we know as psychologists about the emergence in nature of moral feelings in individuals?

这些知识我们以前都学过,现在你们要问一个问题，“好了，道德情感是这样产生的，但我们心理学家知不知道,自然界中的个体的道德情感是如何出现的？

耶鲁公开课 - 心理学导论课程节选

It's kind of unsettling because we like to know what things are, but at the same time it's not really a big problem because as long as we know about the fact that a certain notion of literature exists in certain communities we can begin to do very interesting work precisely with that idea.

可能会有点让人不安，因为我们总想知道事物的定义，但知不知道,实际上问题不大,只要我们知道在特定群体中对文学有特定的认识,我们就能在这种认识上做文章。

耶鲁公开课 - 文学理论导论课程节选

and I don't know if you guys know what fraternities and sororities are.

我不清楚你们知不知道兄弟会和姐妹群是什么。

不能错过的派对 - SpeakingMax英语口语达人

You know what I mean?

你知不知道我的意思？

滑板的故乡 - SpeakingMax英语口语达人