守正不阿

shǒuzhèngbùē
to be strictly just and impartial

CEDICT

做人處事堅守正道，公正無私。《後漢書．卷四六．陳寵傳》：「及竇憲為大將軍征匈奴，公卿以下及郡國無不遣吏子弟奉獻遺者，而寵與中山相汝南張郴、東平相應順守正不阿。」宋．陳亮〈蕭曹丙魏房杜姚宋何以獨名於漢唐〉：「姚崇之遇事立斷，宋璟之守正不阿，以共成明皇開元之治，亦不負君臣之遇合矣。」也作「守正不撓」。

重編國語辭典

Entry Composition

1 守 shǒu
  1. to guard
  2. to defend
  3. to keep watch
  4. to abide by the law
  5. to observe (rules or ritual)
  6. nearby
  7. adjoining
2 正 zhèng
  1. straight
  2. upright
  3. proper
  4. main
  5. principal
  6. to correct
  7. to rectify
  8. exactly
  9. just (at that time)
  10. right (in that place)
  11. (math.) positive
3 不阿 bù'ē
  1. (formal) just; fair; equitable; even-handed; impartial
  2. just; fair; equitable; even-handed; impartial