Idioms

on active duty
doing full-time service (usually used in the military when someone is doing full-time service)
The soldiers were on active duty when the hurricane reached the shore.

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  • on again, off again
  • on all fours
  • on an even keel
  • on and off
  • on and on
  • on any account
  • on approval
  • on behalf of (someone)
  • on bended knee
  • on board
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  • skin (someone) alive
  • watch one's P's and Q's
  • out of one's hair
  • throw up one's hands (in defeat)
  • keep pace (with someone or something)
  • on top of (something)
  • high seas
  • off the mark
  • pick (someone's) brains
  • in on (something)


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