police state
police state 警察国家;极权国家 指采用拷打、监禁及非暴力压制手段使公民无法充分享有在法律上明文规定的公民权和人权的国家。
A state in which the political, economic, and social life of its citizens is subject to repressive governmental control and arbitrary uses of power by the ruling elite, which uses the police as the instrument of control; a totalitarian state.