Closed door
Chinese idiom, Pinyin is B ì K ǒ uh é sh é, which means to build a car behind closed doors, to go out of one's way, and to compare with each other. From Hou Ji Lu.
The origin of Idioms
The eighth volume of Hou Ji Lu written by Zhao lingwan of Song Dynasty: "Valley cloud: Dongpo ink opera, water flowing and stone moistening, and Yu cursive samadhi, so-called closed door."
Idiom usage
As a predicate or attributive.
Closed door
could not communicate between man and woman - shòu shòu bù qīn
Break the paper and save the ink - duàn zhǐ yú mò
judge people by outward appearance - yǐ róng qǔ rén