clamp down
phrasal verbclamp down (on somebody/something)
- to take strict action in order to prevent something, especially crime
严厉打击(犯罪等) - a campaign by police to clamp down on street crime
警方严厉打击街头犯罪的运动 - The US government is clamping down on drugs.
美国政府正在取缔毒品。 - to clamp down hard on bullying
严厉打击恶霸行为
- a campaign by police to clamp down on street crime