Idioms

crack down on (someone or something)
to enforce laws or rules strictly
The school principal decided to crack down on people running in the halls.

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  • crack of dawn
  • crack open a book
  • crack the whip
  • crack up
  • crackpot
  • cramp one's style
  • crank out (something) or crank (something) out
  • crash and burn
  • crash the gate
  • crazy about (someone or something)
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  • on hand
  • break down
  • stack up (something) or stack (something) up
  • keep (someone or something) still/quiet
  • strike a sour note
  • champ at the bit
  • contradiction in terms
  • avail oneself of (something)
  • hang one on
  • prime mover


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