I honestly don't know how I will react the next time I meet a potentially dangerous situation.

老实说，下次再遇到有潜在危险的情况时，我不知道自己会如何反应。

《柯林斯英汉双解大词典》

We don't know how this situation will shake out.

我们不知道这个局面会如何收尾。

《柯林斯英汉双解大词典》

I don't know exactly how we'll manage it , but we will, somehow.

我说不准我们如何去完成这件事，但不管怎样我们一定会完成的。

《牛津词典》

But even if those efforts fail, it is too soon to know just how strong the new rules will be.

VOA: special.2010.07.23

For most children and most of you, I hope, the answer's pretty clear: Autistic children will often just shrug, say, "How could I know?"

对于多数儿童和成人来说,但愿,答案非常明显,孤独症儿童通常只是耸耸肩,说,"我怎么会知道"

耶鲁公开课 - 心理学导论课程节选

You shoot something, you should know when it will land, where it will land, with what speed it will land, how high it will go.

抛出一个物体,我们要知道落地时间,落地位置,还有落地的速度,最高点的高度

耶鲁公开课 - 基础物理课程节选

How will I know if I will get Lipitor or the generic?

WSJ: A Users' Guide as Generic Lipitor Goes on Sale

He who has learned how to obey will know how to command.

FORBES: 100 Best Quotes on Leadership

How will you know when you've crossed the line and allowed ambition to go too far?

NPR: Before Midterms, a Chat with Sen. Barack Obama