Not for certain I don't, and neither do you.

不能确定 你也不能确定。

But I can't be sure that that is true.

但不能确定这是真的。

But we still don't know anything for sure.

不过们还不能确定。

But we don't know that answer for sure.

不过们不能确定答案。

Not entirely sure who I can trust.

不能确定能相信谁。

I just can't identify what it is.

只是不能确定它是什么。

Please. We don't really know that for sure.

得了 这事们又不能确定。

OK. We don't know that for sure.

。们还不能确定。

But WHO officials are not sure of the exact number.

但是世卫组织官员不能确定具体数字。

We don't know for a fact that North Korea is behind it.

们不能确定发动攻击的就是朝鲜。

We're not even sure Carcharodon Megalodon went extinct.

们甚至不能确定巨齿鲨已经灭绝。

There is no known connection that he has to the school.

不能确定他是否与学校有联系。

Well, at this point, we don't know if he did this by himself.

们还不能确定枪手是否单独作案。

Can't be certain it's Arthur West's, of course, but..

不能确定这就是亚瑟·韦斯特的。

But we can't be sure he's even visited them.

但是们不能确定他甚至会来这里坐坐。

But we can't be quite sure until the inquiries are over.

不过在调查结束之们还不能确定。

Hmm, not sure about that. I get terrible travel sickness.

嗯，不能确定。晕车很严重。

I'm not sure what it was about, but that's the latest rumor that's going on.

不过不能确定，这是的最新传言。

What I'm not sure about is where to turn after that.

不能确定的是下次该向哪边拐。

Officials also said it's not sure what caused the collapse.

官员表示，并不能确定坍塌的起因。