He says, "I believe in the practice and philosophy of what we have agreed to call magic, in what I must call the evocation of spirits, though I do not know what they are."

他说我相信我们所称作的,关于魔法的实践和哲学，我认为那是对灵魂的召唤，尽管我并不知道它们是什么“

耶鲁公开课 - 现代诗歌课程节选

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

That is the force which I do not know in magnitude.

我并不知道这个力的大小

耶鲁公开课 - 基础物理课程节选

max val I'm not going to call the other max val here, because we know what happens when I do that.

我不打算调用其他，因为我们知道当,我这么做会发生什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

I know that's not possible, but how do we reconcile this?

我知道这是不可能的，但到底如何达成协调？

普林斯顿公开课 - 人性课程节选

How do I know," Descartes said, "I'm not dreaming right now?"

我又如何能确定我现在不是在做梦呢"

耶鲁公开课 - 心理学导论课程节选

Classical, maybe a little more than that, but not all that many. Here's-- I don't know, we should do a survey sometime.

古典音乐,也许稍多一点,但没有多少,大概,我不清楚,也许应该找时间做个调查

耶鲁公开课 - 聆听音乐课程节选

I mentioned previously that we do not know a lot about how the mechanical stimulation is being converted into chemical and electrical energy.

先前我曾说过,对于机械刺激到化学和电能的转换,我们还知之甚少。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

So if we lower the synergy here, not only do I contribute less effort, but you know I contribute less effort, and therefore you contribute less effort and so on.

如果我们减少协同参数,不但我会少付出努力,而且你也知道我会少付出努力,因此你也会少付出努力,以此类推

耶鲁公开课 - 博弈论课程节选

In any event, this is some interesting research opportunity, so again, no obligation, you don't have to do this, I won't even know if you are or not, but I just thought I would present these in the case you might find them interesting things to do.

不管怎样,这都是些不错的研究机会,不过不是强制的,我甚至都不知道你们参加与否,不过我还是会把这些放在这里,这样大家可能会找到一些有趣的事情去做

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That's not as much in my area of specialization, but I do know that

这不太属于我的专业领域，但是我知道

对于未来的技术 - SpeakingMax英语口语达人

Did I do something? Did I not, you know, please you?

我做了什么不对的吗？没有让你满意？

一定要给小费 - SpeakingMax英语口语达人

I don't know how many kids, generation after generation, get in trouble because they do not remember the following fact.

我不知道有多少孩子,一代又一代,因为没有记住下面的内容而遇到困难

耶鲁公开课 - 基础物理课程节选

same point Cartesian to have 1 representation for a point that supports different ways of getting information out, but has gathered within it, a method or a function for dealing with things like how do I know if it's the same point or not.

还有,这是一个比较极坐标的点,是否相同的不同的方法，但是这开始成了一个麻烦事儿了，我真正想要做的事情是,创建一个能支持不同的方式,输出已经收集的信息的点的表示。

麻省理工公开课 - 计算机科学及编程导论课程节选

And Descartes said, "How do I know I'm not crazy?

笛卡尔问道,"我如何才能确定我不是个疯子

耶鲁公开课 - 心理学导论课程节选