“Crack down”: phrasal verb meaning.

Crack down
Become more strict against people who do something against the law. When authorities like government, police or another institution “cracks down on” people breaking the law, they will punish them more, more severely.

Other examples of “crack down” phrasal verb in a sentence

  • The police are cracking down on drunk drivers.
  • We must crack down on crimes against women.
  • The government is cracking down on the recent protests.

“Crack down”: use in context explanation

The 2 friends are walking in the park and Richard is drinking beer. They meet a very cute policewoman and start chatting. She says they are cracking down on people drinking alcohol in public places. She doesn’t realise Richard is hiding a bottle of beer.