不愧不怍

bùkuìbùzuò
  1. no shame, no subterfuge (idiom); just and honorable
  2. upright and above board

CEDICT

语本《孟子．尽心上》：「仰不愧于天，俯不怍于人。」行事光明正大，问心无愧。

重編國語辭典

Entry Composition

1 不愧 bùkuì
  1. to be worthy of
  2. to deserve to be called
  3. to prove oneself to be
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 怍 zuò ashamed