crack down
US /kræk daʊn/
UK /kræk daʊn/
短语动词
严厉打击, 采取严厉措施
to take severe measures against something or someone
示例:
•
The police decided to crack down on illegal street racing.
警方决定严厉打击非法街头赛车。
•
The government plans to crack down on tax evasion.
政府计划打击逃税行为。