crack down on
US /kræk daʊn ɑn/
UK /kræk daʊn ɑn/

1.
menindak tegas, memberantas
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.
Polisi akan menindak tegas ngebut di area perumahan.
•
The government plans to crack down on tax evasion.
Pemerintah berencana untuk menindak tegas penggelapan pajak.