如果你做到了以上几点，可以用英语说"You've hit the nail on the head."
这个短语来源于打钉子的动作，就像打中了钉子一样，把问题说得非常明白，恰好在点上。
例句1: "You've hit the nail on the head with your analysis of the problem." (你对问题的分析恰到好处。)
例句2: "I think you've hit the nail on the head with your solution." (我认为你的解决方案恰好点中要害。)