Idioms

back up (something) or back (something) up
to drive or go backwards
The driver had to back the truck up.

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  • back-to-back
  • bad blood (between people)
  • bad-mouth (someone or something)
  • bag of tricks
  • bail out (of something)
  • bail out (someone or something) or bail (someone or something) out
  • bail out (someone) or bail (someone) out
  • balance the books
  • ball of fire
  • bang one's head against the wall
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  • in step with (someone or something)
  • make a clean breast of (something)
  • prick up one's ears
  • a crying shame
  • off to a running start
  • trial balloon
  • in a lather
  • eat and run
  • funny ha-ha
  • put (something) straight


    • My Account / Test History
    Invention
    Invention : diamond, artificial
    Year : 1955
    Inventor : general electric co.
    Country : us.      .. More >>
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