Because,you know,you can't trust me,and so you have to check me out and make sure I'm not lying to you.

因为你不能相信我,你要弄清楚我是否对你们撒谎了。

耶鲁公开课 - 新约课程节选

But I'm not sure that you can really make that assumption based on something that someone creates

但我不确定你真的能基于某人创作的某些作品来做那样的推断，

印象深刻的展示会 - SpeakingMax英语口语达人

Maybe other principles of hermeneutics will place much more stress on innovation or novelty or difference, but you're not sure people can understand unless they share a great deal of common ground."

也许诠释学的其他原则更强调,创新，独树一帜，与众不同，但你不能保证人们都能理解,除非他们有很多相同之处“

耶鲁公开课 - 文学理论导论课程节选

So it looks like not too many more than half of you got this correct, so make sure you can look at your periodic table and figure out how to think about ionization energy in terms of z effective, not just in terms of memorizing what that trend is.

看起来只有一半多一点的人,做对了，所以请大家务必做到能够通过观察周期表,并在考虑电离能时,从有效核电量的观点出发，而不是仅仅依靠记住这个规律。

麻省理工公开课 - 化学原理课程节选

And besides that, lest that not be enough to make sure everyone can succeed in a course like this, we have a very diligent teaching fellow who not only likes to scribe the courses lectures.

另外，为了让大家都能,学好这门课，我们有一个很勤奋的助教,他很乐意记录下课程教案。

哈佛公开课 - 计算机科学课程节选

I'm not sure if they make you pay a deposit, but I think you can just check them out, and then you'll have them for the semester.

我不知道是否需要交押金,不过你们可以去登记领取,使用一个学期的时间

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 we need not, we just make sure we can't do that So, go ahead, we've got you on number The 1980's and 1990's, this deal seemed to work.

这一点我们必须明确,那么。。。说吧，该给的数据我都说了,其实，八，九十年代那会儿，那个协议还是起过作用。

斯坦福公开课 - 经济学课程节选

They've done some research. I'm not exactly sure if you can officially learn language from watching movies,

他们做了些研究。我不确定从官方的角度来讲，你是不是能够边看电影边学英语，

英语学习技巧 - SpeakingMax英语口语达人

And if you're not sure what to do, you can always go to club fairs,

如果你不确定该做什么，你可以一直去俱乐部的集会，

阿卡贝拉组合最棒 - SpeakingMax英语口语达人

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

You can laugh for things you are not so sure with.

你不确定的事情就可以一笑置之。

普林斯顿公开课 - 人性课程节选

I'm not sure... maybe the fact that people can travel a lot.

我不确定……也许是人们经常旅行吧。

关于罗马尼亚 - SpeakingMax英语口语达人

Then again, if you are not certain of something you can say "I'm not sure."

同样的，如果你对于一件事没有把握，你可以说“I'm not sure.”

I'm sure 课堂 - SpeakingMax英语口语达人

So since that's the easiest scenario, you can probably be sure it's not going to be too frequently that you're just given the energy, right, that might be too easy.

所以既然那是最简单的情况，你可以确信只给你提供能量值的,这种情况不太可能发生太多，对，因为那太简单了。

麻省理工公开课 - 化学原理课程节选

All right, so I did this not at all purposely, but this can point out for you that you need to make sure that the number of electrons that you have in your molecular orbital does match up with the total number that you have in your atomic orbitals.

我并不是故意这么做的，但这告诉我们必须要保证,分子轨道里的电子数,和原子轨道里的,总电子数能对上。

麻省理工公开课 - 化学原理课程节选

He got this from Marie Curie - you can imagine they used the postal service, I'm not sure how else they would have transferred it to each other.

当他从Marie，Curie拿到这个时,你们可以想象他们一定是把它，邮寄过去的,不然我不知道他们。

麻省理工公开课 - 化学原理课程节选

Or you can say "I'm not sure that" when you are uncertain.

或当你没把握时，你可以用 "I'm not sure that"。

I'm sure 课堂 - SpeakingMax英语口语达人

So, using the terminology of chemists, which is a good thing to do, because in this course we are all chemists, we want to make sure that we're not using just the physical description of the numbers, but that we can correlate it to 1 0 0 what we understand as orbitals, and instead of 1, 0, 0, 1s we call this the 1 s orbital.

我们最好学会，利用这些化学术语，因为我们这课,就是关于化学的，我们,不仅要知道，这些数字,的物理描述，还要能把它,和我们知道的轨道联系起来，我们叫它。

麻省理工公开课 - 化学原理课程节选