I'm not quite sure,because we have to turn to a metaphysical question that we've touched upon before,namely,can souls split?

我不太确定，因为要先提出一个以前说过的,形而上学的问题，就是，灵魂可以分裂么？

耶鲁公开课 - 死亡课程节选

and I don't know how much I've said so far but, yeah, totally different than here,

我不确定我说了多少不同之处，但是总的来说，跟这里有很多不同，

来自爱荷华 - SpeakingMax英语口语达人

If he had all of that,it's not so clear to me that it would be the wrong thing to say that, by golly,this is Napoleon.

如果他都拥有这些，那我就不太确定，这么说是否错误了，天哪，这是拿破仑。

耶鲁公开课 - 死亡课程节选

And since we are not expecting the mass of the particle to change, what we really are saying is the uncertainty in its velocity times the uncertainty in its position is greater than the ratio of the Planck constant divided by 2 pi.

因为我们不期望,粒子质量发生变化，我们说的是,它速度的不确定度,乘以它位置的不确定度,比普朗克常量,除以2除以圆周率要大。

麻省理工公开课 - 固态化学导论课程节选

Yes, that's probably true as a general observation, whether it comes through clearly on these two-- this comparison-- I'm not quite so sure, but there--I wouldn't say there's a great deal of detail in the first one.

是,可能从一般角度观察是对的,不管是否是通过,这两者的对比得出的结论,我也不太确定,但我不会说,第一首里有大量的细节处理

耶鲁公开课 - 聆听音乐课程节选

Flexibly,here are the criteria.

不确定地说，选择标准是这样的。

耶鲁公开课 - 新约课程节选

To be honest, I'm not sure if you need to have gone to undergraduate

老实的说，我不确定你是否要有本科学历，

想成为律师的话 - SpeakingMax英语口语达人

I am not sure which one they actually say.

我不确定他们实际上说哪一个。

美式英语和英式英语 - SpeakingMax英语口语达人

As I say,I'm not sure whether that argument's right.

正如我说，我不确定这个论点是否正确。

耶鲁公开课 - 死亡课程节选

And so I went through the math on this and said suppose I wanted to be really sloppy and I wanted to say if the delta X, the uncertainty in position is on the order of one angstrom.

我算完它,并说假如我想很草率,并且我想说如果x的增量，即位置的不确定度,相当于一埃。

麻省理工公开课 - 固态化学导论课程节选