Crack down on
/kræk daʊn ɒn/B2
UpperIntermediate
1. To take severe measures to restrict or discourage undesirable or illegal activities.
- The government decided to crack down on illegal immigration.
- The school is cracking down on students cheating during exams.
2. To increase the intensity or severity of repression against law-breakers or offenders.
- Police forces have begun to crack down on drug trafficking in the area.
- Many countries are cracking down on cybercrime activities.
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