promote one 's private interests under the guise of serving the public(jiǎ gōng yíng sī)

promote one 's private interests under the guise of serving the public

The Pinyin Ji ǎ g ō ngy í ngs ī refers to seeking private interests in the name of the public. It comes from the book of Yuan Dynasty, Ministry of rites, Jin Biao.

[source] according to Jin Biao, a Book of rites in the Yuan Dynasty, "in recent years, I have been accused of cheating on the post because I didn't know about it."

Chinese PinYin : jiǎ gōng yíng sī