sworn brothers
Friends of the golden orchid, a Chinese idiom, Pinyin is j ī NL á nzh ī y ǒ u, which means close friends, also generally refers to brothers. It comes from the book of changes.
The origin of Idioms
In the book of changes, it is said that "if two people are of one mind, their interest will be broken; if they are of one mind, their smell will be like orchid."
Idiom usage
[example] at the beginning, the prime minister and your father were married. ——Wang can ascends the tower by Zheng Guangzu in Yuan Dynasty
Analysis of Idioms
Jinlan Qiyou
sworn brothers
be conscientious and do one's best - jīng jīng yè yè
alliance between the two families by marriage - qín huān jìn ài