Besides, I don "t want her to know that I have a crush on her. She might not even like me."

我也不想让她知道我对她有好感。她可能根本不喜欢我。

youdao

And the other thing to point out, which I don't know if this is true or not, but does anyone know -- well that's part's true, does anyone know what the atomic mass of lithium is?

另外需要指出的一点是，关于这点我不知道是不是真的，有人知道--这部分是真的，有人知道锂的原子量吗？

麻省理工公开课 - 化学原理课程节选

I don't know about that. I am not so sure." But then, we realized that like when we walk out that door, it's the whole world again. So you get sucked up by your group, by your sort of identity.

我不知道，不是很确定，然后呢，我们就意识到走出那个大门，又是一个完整的世界，所以你就会,被你的团体，你的身份所束缚。

普林斯顿公开课 - 人性课程节选

In other words, I don't not know first that that's a sign that says "exit."

换句话说，我不事先知道,那是一个存在的标志“

耶鲁公开课 - 文学理论导论课程节选

I'm pretty sure I didn't hit anybody, but I'm not gonna say that because I don't know for sure.

CNN: Army tapes reveal motive in Iraq prisoner killings

It's not that I don't know where to start.

NPR: Excerpt: 'The Practice of Deceit'

And so again, there are just a lot of intricate things that are involved but I don't know that the memo really reflected - it's not as linear on the ground, I don't think, as it appears to be in the memo.

NPR: Hadley's Memo on Maliki Reveals U.S. Analysis