conceal the true state of affairs from above and below oneself
Chinese idiom, Pinyin is Q à sh à NGM á nxi à, which means to cheat the superior to win trust; to conceal the inferior to cover up the truth. It's from the song Mian Ke Li Zhuan.
The origin of Idioms
"It's a crime for a minister to deceive the superior and ignore the inferior" according to Zou Mian Ke Li Zhuan in the Tang and Yuan Dynasties
Idiom usage
Combined; used as predicate and attribute; with derogatory meaning
conceal the true state of affairs from above and below oneself
peaceful and mild steps -- walking slowly - yōng róng yǎ bù
manifest plainness, embrace simplicity - xiàn sù bào pǔ