報仇雪恥

报仇雪耻
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

報復冤仇，洗刷恥辱。《醒世恆言．卷三六．蔡瑞虹忍辱報仇》：「官人果然真心肯替奴家報仇雪恥，情願相從。」也作「復仇雪恥」。

重編國語辭典

Entry Composition

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