procedural crack-down程序性制裁
crack-down detail严厉手段
crack down multi-national organized crime打击跨国有组织犯罪
crack down on mafia-style gangs打黑
PHRASAL VERB（动词词组） If people in authority crack down on a group of people, they become stricter in making the group obey rules or laws. 严加管制; 严加治理
The government has cracked down hard on those campaigning for greater democracy.
政府严厉打击了那些争取更多民主的人。
（） → see also crackdown