ㄙㄢㄍㄤˇㄔㄤˊsāngāng‑wǔcháng

三纲五常
  1. 舊時倫理標準泛指一切人倫道德三綱五常)​。簡稱綱常」。

three principles and five virtues (idiom)​, the three rules (ruler guides subject, father guides son and husband guides wife)​ and five constant virtues of Confucianism (benevolence 仁, righteousness 義, propriety 禮, wisdom 智 and fidelity 信)​