She's a good judge of character.

她很善于鉴定别人的性格。

《牛津词典》

He is a good judge of horses.

他是鉴赏马的行家。

youdao

I count him a good judge of character.

我认为他很会判断别人品性的好坏。

youdao

Van Buren had a quick mind and was a good judge of men.

VOA: special.2009.01.01

Rawlins was a good judge of men.

VOA: special.2010.02.11

I smiled to myself and said "But some people say that he is as good a judge of wine as you are."

VOA: special.2009.02.07

Is he a good judge of talent and willing to delegate critical management roles to the right people?

CNN: To pick a pope, learn lessons from business world

He was, he would ruefully confess, not a good judge of character.

BBC: Boris Berezovsky: Colourful character focused on Russia

That means means two things: you need to be a good judge of character, and you need to effectively monitor what they do.

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