v.repress or suppress (something regarded as undesirable)
同义词：clamp down
crack down例句
Crackdown Crackdown CRACKDOWN! Police Crackdowns: Initial and Residual Deterrence Police Crackdowns: Initials and Residual Deterrence The hacker crackdown: law and disorder on the electronic frontier The End of Bank Secrecy? An Evaluation of the G20 Tax Haven Crackdown Displacement of Canada's largest public illicit drug market in response to a police crackdown The irony of broken windows policing: A micro-place study of the relationship between disorder, focused police crackdowns and fear o... The Myth of the Authoritarian Model: How Putin's Crackdown Holds Russia Back Determining the Social Effects of a Legal Reform; the British Breathalyser Crackdown of 1967. The cost of crackdowns: Policing Cabramatta's heroin market Myth of the Authoritarian Model - How Putin's Crackdown Holds Russia Back, The
