It's in the house
It's a Chinese idiom. The Pinyin is Ji ā C á NGH ù y ǒ u, which means every family has it. From the Kunqu Opera shi5guan.
Idiom explanation
Every family has it.
The origin of Idioms
Kunqu Opera "15 Guan" Scene 6: "this county folk custom pouring thin, gambling wind is extremely prosperous, this dice, household, not surprising."
It's in the house
be draped with the imperial yellow robe by one 's supporters - huáng páo jiā shēn
climb trees to catch water from a flint - déng mù qiú yú