瞞上欺下

to deceive one's superiors and bully one's subordinates (idiom)

to conceal from / to keep (sb) in the dark

used in 上聲|上声[shang3 sheng1]

(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above

to take unfair advantage of / to deceive / to cheat

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action