and I don't know if you guys know what fraternities and sororities are.

我不清楚你们知不知道兄弟会和姐妹群是什么。

不能错过的派对 - SpeakingMax英语口语达人

And the other thing to point out, which I don't know if this is true or not, but does anyone know -- well that's part's true, does anyone know what the atomic mass of lithium is?

另外需要指出的一点是，关于这点我不知道是不是真的，有人知道--这部分是真的，有人知道锂的原子量吗？

麻省理工公开课 - 化学原理课程节选

and I don't know if that's true of all east Asian countries,

我不知道是不是所有东亚国家都是这样，

学习外语的重要性 - SpeakingMax英语口语达人

And if you remember this phrase, I don't know why you would, but this will help you learn the lanthanides in order.

如果你能记得这句话的话，我不管你们是怎么做到的，但是这个确实会帮助你按顺序记住镧系元素。

麻省理工公开课 - 固态化学导论课程节选

I was just going to--I don't know if this is one of the things, you can eat it and you can metabolize it and trap the energy.

我想说,我也不知道说的对不对,可以食用,被代谢,并从中获取能量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And Steve Furlanetto--I don't know if Steve is here or not.

还有史蒂夫·弗拉内多,我不知道他今天在不在

耶鲁公开课 - 基础物理课程节选

If we had perfect financial markets-- and this is intuitive-- and I don't know how obvious this is, it's obvious to me, but it's an intuitive point of great importance-- nobody would suffer alone.

如果我们有完善的金融市场-,这就很直观-,我不知道这有多直观，至少我觉得显而易见，这是一个很重要的观点-,也就是，没有人会独自承担风险。

耶鲁公开课 - 金融市场课程节选

Now many of you may have heard, many of you may know, and if you don't already know this, I should warn you, that I have a reputation around Yale as being a harsh grader.

你们中的大多数可能听说过，你们中的一部分可能知道，如果你真的不知道，那么我要警告你，我在耶鲁,是出了名的严厉。

耶鲁公开课 - 死亡课程节选

And this movie, i don't know if I would recommend it that much, it's... Perhaps I'm being too pC, but I'm not convinced that for the modern woman, hanging around waiting for your prince to come is really a good strategy.

这部电影我真不知道怎么推荐给大家,也许我已经老了吧,但我课不觉得现代的女性四处游荡,等待你的白马王子出现是个好策略

耶鲁公开课 - 博弈论课程节选

So in Europe, it's probably like, I don't know, if you want to go into culture and stuff,

所以在欧洲，恐怕就是，说不清，如果你想深入探究文化，

来自瑞典 - SpeakingMax英语口语达人

or if I'm, I don't know, or if I want to sort of follow in their footsteps and,

或者，我也不清楚，如果我想跟随他们的脚步，

要想成为事业家 - SpeakingMax英语口语达人

And secondly, I think that, even if they don't know how to do a problem,

二是，我觉得，即使他们不知道怎么做一道题，

体罚是不可取的 - SpeakingMax英语口语达人

Michael Phelps, now that he's won all those gold medals, I hear is on Wheaties and somebo dy said Frosted Flakes, but I don't know if that's true.

迈克尔·菲尔普斯,他包揽了游泳项目所有奥运金牌,给惠特斯代言,但菲斯克多麦片的人说,不知道这是不是真的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Today, if you read the newspapers tomorrow, you'll read--we're trying to do the same thing at Motorola and if you bother to read The Wall Street Journal tomorrow or maybe The Times, I don't know you'll see a little bit of what we're trying to do there.

在当今这个时代，如果你明天读报纸，你就会读到我们正在试图对摩托罗拉公司,做和我们刚才所说的同样的事情如果你们不嫌麻烦,读一读《华尔街日报》或者《时代周刊》，我也不知,道你想读什么，你会了解一些我们正在做的事情。

耶鲁公开课 - 金融市场课程节选