你可能不知道的是，泰坦尼克号甚至不是这一类的旗舰。

What you may not know is that the Titanic wasn't even the flagship of this class.

youdao

庄子笑了笑：“你不是我。怎么知道我不知道鱼的感受？”

Zhuang Zi smiled, "but you are not me. How do you know that I don't know the fish's feelings?"

youdao

你不知道是不是要站起来欢呼，还是装作被完全震撼到。

It was hard to know whether to stand up and cheer or be totally appalled.

youdao

And so he explains to the master: I knew thou was't an hard man which reapest where thou sowedst not and gatherest where thou strawest not.

他对主人解释：,我知道你不是个努力的人,你收获不是你播种的。

耶鲁公开课 - 弥尔顿课程节选

Right? That would be an entirely different matter, wouldn't it, because you would have absolutely no idea whether the question was rhetorical or grammatical, right?

对吧，那将会是一个完全不同的情况，难道不是吗，因为你就会完全不知道,这个问句是修辞型的还是语法型的，对吧？

耶鲁公开课 - 文学理论导论课程节选

One of the discomforts, one of the reasons that I think so many people in society and even in this class are uncomfortable when it comes to computers and intimidated by technology and kind of throw up their hands when things go wrong that you don't understand is frankly not necessarily your fault.

当我想到在社会中，即使在这个班级上,有那么多的人,使用计算机时是不舒服的,他们被这种科技吓到了，束手无策,当发生故障时，你也不知道，其实,这也不是你的过错。

哈佛公开课 - 计算机科学课程节选