大义凛然

大義凜然
dàyìlǐnrán
devotion to righteousness that inspires reverence (idiom)

CEDICT

inspiring awe by upholding justice

Wiktionary

形容为了公理正义，坚强不屈，严峻不可侵犯的样子。

重編國語辭典

Entry Composition

1 大义 dàyì
  1. righteousness
  2. virtuous cause
  3. a woman's marriage
  4. main points of a piece of writing
2 凛然 lǐnrán
  1. (literary) stern; awe-inspiring
  2. stern; awe-inspiring