give the devil his due
US /ɡɪv ðə ˈdɛvəl hɪz duː/
UK /ɡɪv ðə ˈdɛvəl hɪz duː/

1.
平心而論, 給魔鬼應得的
to admit that even a bad or disliked person has some good qualities or has done something good
:
•
I don't like my boss, but to give the devil his due, he's very fair with promotions.
我不喜歡我的老闆,但平心而論,他在升職方面非常公平。
•
Even though he's our rival, we have to give the devil his due; his team played exceptionally well.
儘管他是我們的對手,但我們必須平心而論;他的團隊表現得非常出色。