[---]

Jyutping saam1 cung4 sei3 dak1
Pinyin sān cóng sì dé

Definitions (CC-CEDICT)
  1. Confucian moral injunctions for women, namely: obey in turn three men father, husband and son, plus the four virtues of morality 德[de2], physical charm 容, propriety in speech 言 and efficiency in needlework 功
Definitions (粵典–words.hk)
  1. 名詞
    古時​中國​對婦​女​嘅​行​為​品德​嘅​要求​,​包括​喺​唔​同​人生​階段​中​對​父親​、​丈夫​同​仔​嘅​服​從​,​同埋​言行​、​樣貌​、​家頭​細務​等​方面​嘅​要求
    The Three Types of Obedience and Four Virtues, a set of moral injunctions for women in ancient China, namely: obey in turn three men (father, husband and son) in various stages of life, plus the four virtues of morality, physical charm, propriety in speech and efficiency in chores
Definitions (Wiktionary)
  1. phrase, idiomatic
    the Three Obediences and Four Virtues (traditional Chinese social and familial code of conduct on womanhood)