一语道破----hit the mark with a single comment
例句:
A: It seemed that Mary wants to change job again.
看起来玛丽又要换工作了。
B: Well, you have hit the mark with a single comment.
嗯,你一语道破天机。
同义词:
lay bare the truth with one penetrating remark
hit the nail on the head
adj. 敏锐的,尖锐的,穿透的,透彻的