Now, you think you can make a mistake on your exam, take a look at this up here at tell me what that all is. I have no idea.

你觉得你可以在考试的时候犯错误，看一看这之前写的东西,能告诉我这些是什么，我也不知道。

麻省理工公开课 - 固态化学导论课程节选

I don't know how many of you have not read any Plato before, but for those of you who haven't, I actually think you're in for a treat.

我不知道你们当中有多少人,之前未曾读过柏拉图的作品,但是,还未拜读过柏拉图的同学们,我敢肯定你们会喜欢上他的

耶鲁公开课 - 死亡课程节选

The institutions and the ideas therefore, that provide for freedom and improvement in the material conditions of life, cannot take root and flourish without an understanding of how they came about and what challenges they have had to surmount.

故此,这些机制和理念,为物质生活条件的自由和改善,提供了基础,但在不知道其根源且,无法预料的挑战之前,机制和理念是不可能扎根的

耶鲁公开课 - 古希腊历史简介课程节选

As saying in a television interview, this is Allen Greenspan while I was aware of a lot of these practices, these lending, were going on, I had no notion of how significant they had become until very late.

这是他接受采访时说的，艾伦，格林斯潘说,我之前i就知道有很多不规范行为，：，“,这些借款，但我不知道问题的严重性,直到很晚。

斯坦福公开课 - 经济学课程节选