Idioms

on one's toes
alert
The teacher asks the students many questions to keep them on their toes.

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  • on order
  • on par with (someone or something)
  • on pins and needles
  • on probation
  • on purpose
  • on sale
  • on schedule
  • on second thought
  • on shaky ground
  • on speaking terms with (someone)
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  • pass out (something) or pass (something) out
  • catch (someone) napping
  • gnash one's teeth
  • outgrow (something)
  • ground (someone)
  • fit (someone) to a T
  • sleep in
  • keep down (something) or keep (something) down
  • break the news (to someone)
  • keep pace (with someone or something)


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