Idioms Beginning with n

• nail (something) down

  To precisely and firmly establish details of a plan.
  We haven't nailed down an exact date for the wedding yet, but we're thinking sometime in August.

• nip something in the bud

  To stop something at an early stage.
  If you feel like you are catching a cold, try to nip it in the bud so that it does not cause you to miss work.

• no spring chicken

  Somebody who is not particularly young
  My grandfather runs marathons, and he's no spring chicken.

• no sweat

  It's not particularly difficult.
  I need my car for a date tonight. Can you fix it? No sweat. I'll have it fixed in no time.

• not a chance

  Absolutely not; not possible.
  Do you think there will ever be any honest politicians? Not a chance.

• nothing to it

  Easy; not difficult.
  Upgrading your RAM is easy. There's nothing to it.

• nothing to sneeze at

  Not bad; worthwhile.
  Max's new painting is nothing to sneeze at.

• nothing to write home about

  Ordinary; not exceptional; not especially good.
  That movie was entertaining but nothing to write home about.