Idiom: 'Tough nut to crack'

What does 'Tough nut to crack' mean?

Meaning: If something is a tough nut to crack, it is difficult to find the answer or solution. When used about a person, it means that it is difficult to get them to do or allow what you want. 'Hard nut to crack' is an alternative.

Contributor:

Country: International English | Subject Area: Food | Usage Type: Both or All Words Used

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