A rotten talent makes a dirty job
As a Chinese idiom, Pinyin is C á IXI ǔ x í nghu ì, which means no talent and no virtue. Sometimes it is used as a modest word. From the book of Bao sun Hui Zong.
The origin of Idioms
Yang Yun of the Han Dynasty wrote in his book of reporting to sun Huizong: "Yun's materials are rotten and his deeds are filthy, and his literary quality is not at the bottom."
Idiom usage
Used as a predicate; used in modesty.
A rotten talent makes a dirty job
behead enemy generals and capture their flags - zhǎn jiàng qiān qí
as if nobody on earth could beat him - bù kě yī shì