报仇雪耻

報仇雪恥
bàochóuxuěchǐ
to take revenge and erase humiliation (idiom)

CEDICT

to avenge a wrong and wipe out or erase humiliation; to take revenge for an insult

Wiktionary

报复冤仇，洗刷耻辱。《醒世恆言．卷三六．蔡瑞虹忍辱报仇》：「官人果然真心肯替奴家报仇雪耻，情愿相从。」也作「复仇雪耻」。

重編國語辭典

Entry Composition

1 报仇 bàochóu
  1. to take revenge
  2. to avenge
2 雪耻 xuěchǐ
  1. to take revenge for a past insult
  2. to expunge a disgrace or humiliation