我猜。我不知道这是不是对的。

I guess. I don't know if this is true.

youdao

还不清楚这是不是对的。

It's not clear that that's right either.

youdao

我不知道我是不是对的。

I don't know if I am right.

youdao

I don't actually know whether it's deserved or not, because Yale does not publish information about what the grading averages are.

我不知道这名声是不是我应得的，因为耶鲁并没有对什么是普通的评分标准,发表文章。

耶鲁公开课 - 死亡课程节选

So I don't know if it Does it matter what you say to babies as long as you say something.

所以我想知道,是不是只要你对婴儿说话就行,说话的内容并不重要

耶鲁公开课 - 心理学导论课程节选

It's not clear that that's right either.

还不清楚这是不是对的

耶鲁公开课 - 死亡课程节选