◎ 三缄其口 sānjiān-qíkǒu[speak with caution;absolute refusal to talk with one's mouth sealed more than once] 形容说话极其谨慎、不轻易开口 -----------------国语辞典:言语谨慎或不说话。《孔子家语.卷三.观周》:「孔子观周,遂入太祖后稷之庙,庙堂右阶之前,有金人焉,三缄其口,而铭其背曰:『古之慎言人也。』」宋.尤袤《全唐诗话.卷一.姚崇》:「钦之伊何?三命而走;谨之伊何?三缄其口。」法语 bouche cousue
◎ 三纲五常 sāngāng-wǔcháng[the three cardinal guides (ruler guides subject, father guides son and husband guides wife) and the five constant virtues (benevolence;righteousness, propriety, wisdom and fidelity) as specified in the feudal ethical code] 封建礼教的道德准则。三纲:父为子纲、君为臣纲、夫为妻纲;五常:仁、义、礼、智、信 -----------------国语辞典:三纲,指君臣、父子、夫妇之道。五常,指仁、义、礼、智、信。三纲五常皆为旧时的伦理标准。后泛指一切的人伦大道。《五代史平话.梁史.卷上》:「小生惯读经史,教导乡里徒弟,无过是教他学习个孝、弟、忠、信的道理,识得个三纲五常。」