Select the appropriate meaning of the given idiom.
A hard nut to crack
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. A difficult problem.
The meaning of the given idiom is-
A hard nut to crack- a difficult problem or an opponent that is hard to beat.
As the meaning of the given idiom is as same as the chosen option it will be correct.