Tough Nut To Crack Definition
noun
(idiomatic) A problem that is challenging to solve.
Wiktionary
(idiomatic, by extension) A situation, person, group, etc. which is difficult to deal with.
Wiktionary
(idiomatic) A place, opportunity, etc. to which it is difficult to gain entry.
Wiktionary
An amount that is difficult to finance.
Wiktionary
Other Word Forms of Tough Nut To Crack
Noun
Singular:
tough nut to crack
Plural:
tough-nuts-to-crack
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