I think it's still possible for us to stamp out al- Qaida, to make sure that extremism is not expanding but rather is contracting.

VOA: special.2009.02.21

Now, the reason why I skipped it is I'm not sure this is the best way to look at the question.

我之所以没讲是因为,我不能肯定这是考虑这个问题的最佳方式。

耶鲁公开课 - 心理学导论课程节选

So my walk is, it's not confident and I'm not sure if I'm strong in my step yet.

所以我的走姿不是特别自信，担心步伐会不稳。

I wonder if 实战 - SpeakingMax英语口语达人

What does it mean to him? "Nothing,and I'm not even sure when it is.

VOA: special.2010.02.08

This was very big in an ad campaign at least last year, I'm not sure if it still is, with the little butterfly.

它的广告宣传做得很大，至少在去年是这样的，我不确定它现在还是不是，它这里有一个小蝴蝶。

麻省理工公开课 - 化学原理课程节选

"It is one of those traditions here in South Africa that I am not sure they are going to take away.

VOA: standard.2010.06.14

The first step is divide them in half. All right? I'm not sure how to mark it here, remember I need to come back there. I'm not yet done. What do I do?

我不能确定如何,在这里进行标记,记住我会回这里进行讲解,我还没做完呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

I know. It's okay. No. It sure as hell is not okay.

VOA: standard.other

I'm not sure where it is now but it has done very well.

我不知道销售榜上它排在多少位,不过它已经卖得很好了

耶鲁公开课 - 金融市场课程节选

Whether that result is positive or if is a flat result or something in between - something that we're not quite sure what it is - it is the first ever anti-retroviral containing product.

VOA: standard.2010.07.15

.. I guess, unfortunately, it is for... there needs to be a number put somewhere, like, I'm not sure what that number would be, but I do agree that there could possibly be a number put on the human life.

我觉得，不幸的是。,有时确实需要标价，不过我不确定具体数字，但我确实认同,人的生命也许可以被标价。

耶鲁公开课 - 公正课程节选

And then our drop date is normally, I'm not exactly sure when, but it's actually probably in November,

然后退课的日子通常是，我不确定什么时候，不过其实大概是十一月，

对于返校日 - SpeakingMax英语口语达人

If you read Walt Whitman, you will see much of the same ethos So, Ginsberg is not the first to do this in the American tradition, for sure, but it's a very important part of what the Beats revive.

如果你读过沃尔特惠特曼，你会发现类似的思潮,所以金斯堡肯定不是第一个在美国传统上这么做的，但它是使垮掉的一代复兴的重要部分。

耶鲁公开课 - 1945年后的美国小说课程节选

But you're not sure what it is, you can't put your finger on it.

你不清楚那是什么，你不能确定。

What kind of 课堂 - SpeakingMax英语口语达人

but I'm not sure what it is obviously.

但是我不确定到底是怎样的。

学生们的艺术热情 - SpeakingMax英语口语达人

I'm not sure how much it is.

我不太清楚它的价格。

I like实战 - SpeakingMax英语口语达人

FAO Schwarz is a big deal toy store here and I'm not sure if it's on Fifth Avenue, maybe...

AO Schwarz 玩具店是这边一个很大的玩具零售店，我不确定它是不是在第五大道，也许是吧……

小心超额消费 - SpeakingMax英语口语达人

this court is attributed to him, not 100% sure it's his-- said, "I would not give a fig for the simplicity on this side of complexity, " but I would give my life for the simplicity on the other side of complexity."

这个报告厅就是他捐建的，但不能完全确定是他所有的--说过，“我不会认为与复杂性一致的简单性是微不足道的，但我会把我的一生用来研究与复杂性相对的简单性“

哈佛公开课 - 幸福课课程节选

So you will use "it depends on" in a sentence when you're not sure of something is going to happen.

当你不确定某件事是否会发生时，你就可以使用“It depends on”句型。

It depends on 课堂 - SpeakingMax英语口语达人

So if we want to put that in chemical terms, we want to make sure we put these in brackets here, and remember, this is the resonance arrow, it's not a reaction arrow, it's a resonance arrow, so make sure you mark it up correctly like that.

那么如果我们把它类比到化学中来，我们要确保它们都放在括号里，而且要记住，这是一个表示共振态的箭头，而不是表示化学反应的，它是一个表示共振态的箭头，因此请务必像这样正确地标记它。

麻省理工公开课 - 化学原理课程节选

If you're wondering what's OK or what's not OK, it's very clearly written out in this handout, so make sure you read through it, because it is your responsibility to make sure that your calculator does not have anything extra programmed in it.

如果你不清楚什么可以什么不可以，讲义上写得很清楚，所以请大家务必看完它，因为你有义务保证,在自己的计算器里,没有编上额外的程序。

麻省理工公开课 - 化学原理课程节选

I'm not sure that's the way it should be, but that's the way it is.

我不确定这样是不是应该，但实际情况的确如此。

耶鲁公开课 - 新约课程节选