He told the president, "You do not know the dishonest purposes of those men as well as I do."

VOA: special.2009.08.13

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

Well, I actually did not know what I wanted to do coming into Berkeley.

嗯，实际上，来伯克利的时候，我并不知道自己想做什么。

伯克利的课程计划 - SpeakingMax英语口语达人

Well, one answer is because what I-- how I score on that test isn't going to tell you anything about me It's not going to relate to my grades It's not going to relate to how well I'm liked ? How do we know the SAT is useful?

一个原因是,我在那个测试中的得分,不会透露出任何我的信息,与我的学习成绩无关,也不会说明我有多受欢迎,我们怎么知道SAT有没有用？

耶鲁公开课 - 心理学导论课程节选