crack down on
US /kræk daʊn ɑn/
UK /kræk daʊn ɑn/
1.
嚴厲打擊, 鎮壓
to start dealing with bad or illegal behavior in a more severe way
:
•
The police are going to crack down on speeding in residential areas.
警方將嚴厲打擊居民區的超速行為。
•
The government plans to crack down on tax evasion.
政府計劃打擊逃稅行為。