GbEng
警察组成这样一个部门的一群人，他们被专门训练来掌握执行法律和防止并侦破犯罪行为的方法，被授予维护一个社区的和平、安全和秩序的职权 A body of persons making up such a department, trained in methods of law enforcement and crime prevention and detection and given the authority to maintain the peace, safety, and order of the community.
超越职权范围做某事 Go beyond one's duty in doing sth.
权限，职权这样授予的权力 The authority so granted.
职权的弊端 Abuse of power.
他因滥用职权而破坏了政治声誉。 His political reputation was tainted by his abuse of the power.