公序良俗

gōngxùliángsú
  1. (law) public order and upstanding morals / decency
  2. public order and upstanding morals / decency

Wiktionary

Entry Composition

1 公 gōng
  1. public
  2. collectively owned
  3. common
  4. international (e.g. high seas, metric system, calendar)
  5. make public
  6. fair
  7. just
  8. Duke, highest of five orders of nobility 五等爵位 wǔděngjuéwèi
  9. honorable (gentlemen)
  10. father-in-law
  11. male (animal)
2 序 xù
  1. (bound form) order; sequence
  2. (bound form) introductory; initial
  3. preface
=3 良 liáng
  1. good
  2. very
  3. very much
=3 良 liǎng only used in 方良, alternative form of 魍魎 /魍魉 (wǎngliǎng)
4 俗 sú
  1. custom
  2. convention
  3. popular
  4. common
  5. coarse
  6. vulgar
  7. secular