We had no idea what was going on with the system, with how people were using it. We were making guesses.

我们不知道这个系统会怎么样，也不知道人们用得怎么样，我们只是在猜测。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Why aren't I allowing the soul theory to say, "Don't blame us. We don't know how to explain it yet."

而又为什么不允许灵魂理论说,别责怪我们,我们只是还不知道怎么去解释

耶鲁公开课 - 死亡课程节选

We don't really have a clue yet, or not much of a clue, as to how you could even so much as begin to-- it's not that merely that we don't have the details worked out.

毫无头绪,或者说,无从下手,你如何在这种情形下开个头,我们不只是不知道细节如何

耶鲁公开课 - 死亡课程节选