看错人

看错人

Literally means:

looking at the wrong man

Actually means:

overestimate someone wrongly

It means that one fails to see clearly about a person's character, ability or knowledge, which turns out to be overestimated. It implies regret or remorse about one's overestimation.

对某个人的品德、能力、学识没有认识清楚，原先以为是好的，结果却是不好的。含有因看错人而感到失望或后悔的意味。