Idioms

on guard
careful or wary
The store owner has been on guard since he was robbed last month.

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  • on hand
  • on hold
  • on horseback
  • on ice
  • on impulse
  • on land
  • on line
  • on location
  • on medication
  • on no account
  • Idioms Quiz
  • prey on/upon (someone)
  • on fire
  • turn tail
  • play around/about with (someone or something)
  • give it to (someone)
  • every time one turns around
  • have two strikes against one
  • take it away
  • have one's hands tied
  • true to one's word


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