男人别到处沾花惹草女人别总是胭脂水粉
[nán rén bié dào chŭ zhān huā rĕ căo nǚ rén bié zŏng shì yān zhī shuĭ fĕn]
Men shouldn't be flirtatious, women shouldn't wear too much makeup urges fidelity and simplicity: men should not seek affection elsewhere nor should women overly emphasize appearance. Reflects conservative values towards relationships.