It's not worth the credit
Chinese idiom, Pinyin is sh ǎ NGB ù D ā NGG ō ng, which means that reward is not commensurate with merit. From Xunzi Zhenglun.
The origin of Idioms
"Xunzi Zhenglun" said: "virtue is not a position, ability is not an official, reward is not meritorious, punishment is not a crime, ominous
Idiom usage
To the court, those who are not virtuous should not be used; those who are not meritorious should not be punished. Biography of Zhao Jin in the history of Ming Dynasty
It's not worth the credit
go in to and come out from the state of being and not being - chū yǒu rù wú
a deep grievance that cannot be cleared - chén yuān mò bái