Idioms

keep (something) under one's hat
to keep a secret, to not tell something
My coworker will not say where he is going for his holiday. He wants to keep it under his hat.

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  • keep (something) under wraps
  • keep a civil tongue
  • keep a close rein on (someone or something)
  • keep a close watch on (someone or something)
  • keep a close watch over (someone or something)
  • keep a secret
  • keep a stiff upper lip
  • keep a straight face
  • keep a tight rein on (someone or something)
  • keep abreast of (something)
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  • take a whack at (someone)
  • not on your life
  • part and parcel of (something)
  • go out of fashion/style
  • have one's nose in the air
  • ask (someone) out or ask out (someone)
  • a honky-tonk
  • sit back and let (something) happen
  • talk out (a problem)
  • set one's sights on (something)


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