nail down (someone or something)
to make certain or sure of something
I am trying to nail down the exact time that the meeting will begin.

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  • naked eye
  • name (someone) after (someone or something)
  • name of the game
  • narrow escape
  • narrow-minded
  • near at hand
  • neck and neck
  • neck of the woods
  • need (something) like (one needs) a hole in the head
  • need (something) yesterday
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  • on impulse
  • have a thing going with (someone)
  • come to a standstill
  • between the devil and the deep blue sea
  • done in
  • give out (a sound)
  • crack down on (someone or something)
  • nothing doing
  • get a head start (on someone or something)
  • attend to (someone or something)

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