demotion

详细解释:n. 降级, 降职, 降等
【经】 降级

英语解释：

名词 demotion:

act of lowering in rank or position

例句：

If Johnson has any self-respect, he will demand the demotion of police officers who decided to act as a law unto themselves.如果约翰逊有些自尊的话，他就会要求把那些准备不顾法规而自行其是的警官们降职。