大义灭亲

Learn Today's Idiom (成语)

大义灭亲

dà yì miè qīn

To place righteousness before family; ready to punish one's own family if justice demands it

Traditional:

大義滅親

如果正义需要,他愿意追求公正,甚至不惜大义灭亲。

If justice demands it, he is willing to pursue fairness and even go so far as to be ready to punish his own family if necessary.