Superfluous food
Chinese idiom, Pinyin is y ú sh í Zhu ì x í ng, which means leftover food and warts on the body. It refers to something that people hate. From Laozi.
The origin of Idioms
Laozi: "those who cut themselves down are useless, while those who are proud of themselves are not long. They are also in the Tao. They say that superfluous food and superfluous deeds, things or evils."
Idiom usage
As subject, object, attribute; of superfluous things.
Superfluous food
splits off as it meets the edge of knife without effort - yìng rèn ér jiě
appoint upright and remove the crooked ones -- to replace the bad ones by good ones - jǔ zhí cuò wǎng