Stingy
As a Chinese idiom, Pinyin is k ō UX ī NW ā D ù, which means to dig out the heart. It's from officialdom.
The origin of Idioms
In the second chapter of Li Baojia's officialdom in the Qing Dynasty, after dinner this day, he leaned on the tobacco couch and worked out a detailed draft all night, but it was not ready.
Idiom usage
In a word, it's a combination.
Chinese PinYin : kōu xīn wā dù
Stingy