tough nut

see hard nut to crack.

Words Nearby tough nut

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use tough nut in a sentence

  • Altogether, it is a very tough nut to crack, and the force at our disposal none too strong for the work that lies before it.

    The Invasion | William Le Queux
  • Drank rum by the hogshead, pounded his wife till she left him, and was a tough nut gin'rally.

    Cap'n Eri | Joseph Crosby Lincoln
  • "H'm, and a pretty tough nut to crack," threw in Cleek with a little laugh.

    The Riddle of the Purple Emperor | Mary E. Hanshew and Thomas W. Hanshew
  • Point is that Houck, who always was a t-tough nut, has gone bad since the boys rode him on a rail.

    The Fighting Edge | William MacLeod Raine
  • This particular member of the force was an unusually tough nut to crack.

    Oh, You Tex! | William Macleod Raine