紆尊降貴

纡尊降贵
yūzūnjiàngguì
(idiom) to show deference to sb of lower status; to condescend; to deign

CEDICT

to condescend; to descend to a less dignified level and act humbly

Wiktionary

貶抑尊貴的地位，謙卑自處。如：「為了扭轉公司惡化的業績，董事長不惜紆尊降貴，放棄特有的權利，以示與公司同仁同待遇。」也作「降貴紆尊」。

重編國語辭典

指地位尊貴的人降低身分俯就

維基詞典

Entry Composition

1 紆 yū
  1. winding
  2. twisting
2 尊 zūn
  1. senior
  2. of a senior generation
  3. to honor
  4. to respect
  5. honorific
  6. classifier for cannons and statues
  7. ancient wine vessel
3 降 jiàng
  1. to drop
  2. to fall
  3. to come down
  4. to descend
4 貴 guì
  1. expensive
  2. (bound form) highly valued; precious
  3. (bound form) noble; of high rank
  4. (prefix) (honorific) your