A legacy
As a Chinese idiom, Pinyin is y í f ē ngy ú s ú, which means the customs left over from the previous generation. It's from public security policy.
Analysis of Idioms
[synonym]: old customs and habits
The origin of Idioms
Han Jia Yi's public security policy: "those who used to be Qin are now Han, but their customs have not changed."
Idiom usage
As subject, object, attribute; used in writing.
A legacy
have no justifiable reason for the war - chū shī wú míng
discard the old ways of life in favour of the new - gé gù lì xīn
The army is strong and the general is brave - bīng qiáng àng yǒng