derogate
verb [ T ] formal uk/ˈder.ə.ɡeɪt/ us/ˈder.ə.ɡeɪt/
(CRITICIZE)
贬低;诽谤;损害
to talk about or treat someone or something in a way that shows you do not respect him, her, or it
(LAW)
废除（法律）
to officially state that a law or rule no longer needs to be obeyed because it no longer has any authority
Phrasal verb
derogate from something 损害；减损
to make something seem less good or important
偏离;违背
to not behave according to the rules of an agreement, acceptable behaviour , etc.