当她提到新政策时,我完全不知道她指的是什么。
When she mentioned the new policy, I ___didn't ___have ___a ___clue what she was referring to.
没有说明书,我们完全不知道如何组装这件家具。
Without the instruction manual, we ___don't ___have ___a ___clue how to assemble this furniture.
他已经解释这个算法一个小时了,但我仍然完全不明白它是如何工作的。
He's been explaining the algorithm for an hour, but I still ___do not ___have ___a ___clue how it works.