Idioms

behind (someone's) back
without someone`s knowledge, secretly
The man is very angry because his friend borrowed his car behind his back.

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  • behind closed doors
  • behind in (something)
  • behind on (something)
  • behind schedule
  • behind the eight ball
  • behind the scenes
  • behind the times
  • belabor the point
  • believe in (someone)
  • believe in (something)
  • Idioms Quiz
  • in on (something/a secret)
  • sweet and sour
  • by the book
  • air one's dirty laundry/linen in public
  • gear up for (something)
  • mention (someone or something) in passing
  • take a shower
  • run down (someone or something) or run (someone or something) down
  • advise (someone) against (something)
  • go down in history


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