laws handed down from forefathers
Family law, Chinese idiom, Pinyin is Z ǔ Z ō ngji ā f ǎ, which means the family law made by ancestors in feudal times. From Li Zicheng by Yao xueyin.
The origin of Idioms
The first chapter of the first volume of Li Zicheng by Yao xueyin: "don't say it's a concubine, even a queen, and it's forbidden to say a word in search of state affairs. This is the rule, also known as "patriarchal law."
Idiom usage
As subject, object, attribute; used in writing.
Examples
"Ancestral law" contains the dual meaning of ethics and politics.
laws handed down from forefathers
The earth is divided into two parts - liè tǔ fēn máo