知错能改

知錯能改
zhīcuònénggǎi
to recognize one's mistakes and be able to reform oneself (idiom)

CEDICT

to know one has made a mistake and is able to rectify it; to take responsibility for one's behaviour

Wiktionary

知道过错而能改正。

重編國語辭典

知道错误而能改正

維基詞典

Entry Composition

1 知错 zhīcuò
  1. to admit a mistake, to acknowledge error
  2. to apologize, to offer an apology
2 能 néng
  1. can
  2. to be able to
  3. might possibly
  4. ability
  5. (physics) energy
3 改 gǎi
  1. to change
  2. to alter
  3. to transform
  4. to correct