洗手不干

洗手不幹
xǐshǒubùgàn
  1. to totally stop doing something
  2. to reform one's ways

CEDICT

比喻从此不再从事某事。通常指盗贼等改邪归正。

重編國語辭典

Entry Composition

1 洗手 xǐshǒu
  1. to wash one's hands
  2. to go to the toilet
=2 不干 bùgān to have nothing to do with
=2 不干 bùgàn
  1. incompetent
  2. to not accept; to reject
=2 不干 bùgān not becoming dry or solid