I don't think we know exactly what's going to happen but it's certainly possible that we could get very sluggish growth over the next year or two and possibly even growth could stall out if it doesn't get underway,".

VOA: standard.2009.12.20

I don't know how to define it exactly, but I feel so incredibly alive.

我不知道怎么样去定义它，但我真的感到真实的存在感。

普林斯顿公开课 - 人性课程节选

I don't know, I didn't go to business school so I'm not exactly sure how it works.

我不知道，我没在商学院上过学，所以我也不清楚它到底是怎样的。

哥伦比亚的氛围 - SpeakingMax英语口语达人

He had a suitcase that--I don't know exactly, something like this--had a strap that you'd pull it along and it had four little wheels on the bottom and it worked.

他的行李箱。。。我知道的不太确切，应该是这样的，那上面有一条带子,你可以拉着它,而箱子底部有四个小轮子可以使箱子滑动。

耶鲁公开课 - 金融市场课程节选

I don't know exactly how you work.

我不知道您是怎样进行创作的。

普林斯顿公开课 - 人性课程节选

I don't actually know exactly what it would take, but you just cut off and snip the relevant nerve endings so that we're no longer able to engage in that higher order thinking.

我不知道手术到底怎样做，但只要切除相关的神经末梢,让我们无法进行,更高层次的思维。

耶鲁公开课 - 死亡课程节选

I don't exactly know where they are in RAM, but I know if I've got 2 gigabytes of RAM, zero is here, byte 1 is here, byte 2 is here, dot, dot, dot so maybe byte 123 is over here and 456 is here.

我不知道他们在内存中哪个地方，但是我知道如果我有2G内存，零在这里，字节1在这里，字节2在这里，等等等，所以可能123字节在这里，456字节在这里。

哈佛公开课 - 计算机科学课程节选

.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.

在1799年，寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。

耶鲁公开课 - 金融市场课程节选

This is exactly where I don't really know the details, but I take it it's something like: because of whatever the original input was, eventually the blood's no longer circulating and oxygen isn't making its way around the body.

事实上我对这方面不是很了解,我只能认为是,不论最初的死亡原因是什么,最后血液不再流动,氧气不能输送到全身

耶鲁公开课 - 死亡课程节选