They had no idea what to do. I said,'Wow,look at all these trees, let's play!'

VOA: standard.2010.06.25

Or whether or not they had no idea what they were doing, and they've given themselves over to this process.

还是说诗人并不完全理解自己写的文字，而是在创作过程中完全超然忘我。

普林斯顿公开课 - 人性课程节选

This is the strongest memory I have, and I remembered a) that I didn't learn them, and that was really bad because it kept coming up, but the other thing I remember is that I had no idea why they were important. I didn't really understand what any of these molecules were.

这就是我最深刻的记忆，我记得我并没有学好，这十分不好，因为之后它们总是不断出现,但另外的事情我记得,是我完全没有概念为什么。

麻省理工公开课 - 化学原理课程节选

Many of the people who would travel to the gold fields had no idea what they would face.

VOA: special.2009.02.04

But they found no evidence to support the idea that King Tut's life had ended in violence.

VOA: special.2009.12.15