hit the nail on the head

to describe exactly what is causing a situation or problem

说中要害，说到点子上

I think Mick hit the nail on the head when he said that what's lacking in this company is a feeling of confidence.

米克说这家公司缺乏的是一种自信，我认为他说到点子上了。

A: I think it would civilize people a bit more if they had decent conditions.

我认为如果人们有好的条件，就会使其更有教养一点。

B: I think you've hit the nail on the head."

我想你说到点子上了。