Idioms

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

--- >>>
  • on hand
  • on hold
  • on horseback
  • on ice
  • on impulse
  • on land
  • on line
  • on location
  • on medication
  • on no account
  • Idioms Quiz
  • close at hand
  • that will be the day
  • take one's hat off to (someone)
  • walk on eggshells/eggs
  • tell (someone) off or tell off (someone)
  • swallow (something) hook, line, and sinker
  • turn down (someone or something) or turn (someone or something) down
  • nurse (someone) back to health
  • in a family way
  • bowl (someone) over or bowl over (someone)


  • My Account / Test History

    Loudness
    Loudness :
    Aircraft noise : 90-120 db      .. More >>
    Home
    My Account
    English Test
    Verbal Reasoning
    GK Quiz
    Grammar Test