degrade
v.
late 14c., from Old French degrader (12c.) "degrade, deprive (of office, rank, etc.)," from des- "down" (see dis-) + Latin gradus "step" (see grade, n.). Related: Degraded; degrading.
〔李〕[de-=to make down 使向下;grade n.级别⇒“to make down from one's grade 使某人级别下降”→] vt. reduce to a lower rank 使降低,贬黜
〔蒋〕[de-下,向下,grad步,走,级;’往下走”,’降级”] 下降,堕落,退化,使降级,贬黜
〔李〕[de-=downward向下;grad=to step迈步;-e→“to step or go downward向下迈步,走下坡”→] v. lower in grade, value, etc;deprive of office or dignity 降级;贬值;贬黜;堕落