Work under the roof
It is a Chinese idiom. Pinyin is w ū Xi à Zu ò w ū, which means the overlapping of organization or article structure. It comes from the notes of Wengong in Song Dynasty.
The origin of Idioms
Song Qi's "notes of song Jing Wen Gong · explanation of Customs" says: "the ancients ridiculed the house and believed in it!"
Idiom usage
There is no innovation
Analysis of Idioms
Building a house under a house
Work under the roof
A prodigal son never changes his money - làng zǐ huí tóu jīn bù huàn
the wolf has a winning game when the shepherds quarrel - huáng què zài hòu
I've gone through a lot of sweat - hàn chū qià bèi