Didn't I know anything about turn about to right, but now I think I know enough to amuse them and to entertain them.

我从前从不知道这些东西，但现在我已经学的足够多,足够引起他们的兴趣了。

麻省理工公开课 - 媒体、教育、市场课程节选

Well, I don't really know a whole lot, but I know, the alumni come back, a lot of them come back,

嗯，我不是完全了解，但是我知道，校友回来，很多校友回来，

对于返校日 - SpeakingMax英语口语达人

But they don't I don't know, it's just -there isn't enough initiative in the world, not many people do it.

但是他们没有这样做,我不知道,也许只是,主动性不够,没什么人这样做

耶鲁公开课 - 金融市场课程节选

If you don't give me seven hours a week, I don't know what I can do for you.

如果你们一周不学习7个小时，我不知道我能为你们做什么了。

麻省理工公开课 - 固态化学导论课程节选

So, I mean I don't know what they did afterwards, they might have gone and like killed more people, I don't know.

当然没人知道他们接下来的情况，他们也可能回去杀了更多人，我不知道。

耶鲁公开课 - 公正课程节选

I don't know that I've ever had what I would call an Ah-ha intellectual moment.

我感觉自己从来没有过,那种突然间豁然开朗的时刻。

普林斯顿公开课 - 人性课程节选

It's just a placeholder that says I don't yet know what I wanna put here but I wanna put something, let me get back to you in just a moment.

它只是一个占位符，告诉电脑,我想在这放一个东西，但是暂时还不知道放什么东西，我先打断一下。

哈佛公开课 - 计算机科学课程节选

I don't know. I'll find out for you for next class though.

我不知道，下节课告诉你答案。

耶鲁公开课 - 心理学导论课程节选

I don't know what your major is; I don't know what you are going to do later so I picked the topics that all of us in physics find fascinating.

我不知道你们的专业是什么,我也不知道你们今后从事什么工作,因此,我会选择一些,物理学界公认的有趣的内容

耶鲁公开课 - 基础物理课程节选

I don't know. The short answer is I don't know.

我也不知道,直截了当地说,我不知道

耶鲁公开课 - 死亡课程节选

And I don't know, I used to love to quote from it but then I began to realize I'm only quoting that because it's about a guy's eye being gouged out.

我以前讲课很喜欢从中引用,后来我意识到我引用它只是因为,它写的是一个人的眼珠被刨出来而已

耶鲁公开课 - 美国内战与重建课程节选

Alright, that's the end of my, maybe sermon is the right word on debugging. Polemic, I don't know. I hope it will be helpful. And I hope you'll remember some of these things as you try and get your programs to work.

这就是我有关调试好习惯的一些废话,也许你们会有争议,我希望这些对你们会有帮助,而且我希望你在调试的时候,会想起我今天讲的这些话。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you look at Greece in this period, I don't know if I've used this term before, but some scholars refer to this general period we're talking about as the Greek renaissance by analogy to the renaissance in Italy.

如果纵观这个时期的希腊,我不知道以前是否用过这个定义,但一些学者,用意大利文艺复兴来比喻这个时期,把它称作希腊的文艺复兴

耶鲁公开课 - 古希腊历史简介课程节选

And you've asked several people on the street . "I just can't get there! I don't know where I'm going!" and

你在街边向几个行人问路。“我没法找到目的地了，我不知道该怎么走！”

How long课堂 - SpeakingMax英语口语达人

so I don't know, I think it's just really cool to be able to work something from the ground up.

所以，我不知道，我就是觉得能从头开始做一件事很酷。

什么是认知科学？ - SpeakingMax英语口语达人

I don't know how to turn it on, I don't know what to do.

我不知道怎样打开，不知道要做什么。

麻省理工公开课 - 媒体、教育、市场课程节选