be completely informal
It is a Chinese idiom. Its pinyin is f à NGL à NGX í NGH á I. It means that actions are not bound by secular etiquette. It comes from preface to Lanting collection by Wang Xizhi of Jin Dynasty.
Idiom explanation
Debauchery: debauchery; body: human form. The act of not being bound by worldly etiquette.
The origin of Idioms
In Wang Xizhi's preface to the Orchid Pavilion collection in Jin Dynasty, it is said that "because of the entrustment of the people, they are not free."
Idiom usage
In the biography of Wang Xizhi in the book of Jin: "or because of the entrustment, outside the form of debauchery." In the thirty fourth chapter of the three heroes and five righteousness, Yan Sheng said: "in my opinion, he is a natural and unrestrained scholar. He is always a bit dissolute."
be completely informal
investigation reveals no evidence - chá wú shí jù
a woman hysterically shouting and cursing in public - pō fù mà jiē
fallen leaves return to the roots -- to revert to one 's origin - luò yè guī gēn