clamp down on

US /klæmp daʊn ɑːn/
UK /klæmp daʊn ɑːn/
"clamp down on" picture
1.

reprimere, stringere le viti su

to become more strict about something, or to try to stop something bad from happening

:
The police are clamping down on illegal parking.
La polizia sta reprimendo il parcheggio illegale.
The government plans to clamp down on tax evasion.
Il governo intende reprimere l'evasione fiscale.