Select the most appropriate meaning of the given idiom.

A hard nut to crack

A difficult person

The most appropriate meaning of the idiom "a hard nut to crack" is >A difficult person.<

The idiom "a hard nut to crack" is used to describe someone who is difficult to understand or deal with. It can also be used to describe a problem that is difficult to solve. The idiom comes from the fact that it is difficult to crack a hard nut, just as it is difficult to understand or deal with a difficult person or problem.

The other options are not correct.

• A highly priced item is not a "hard nut to crack."
• An easy problem is not a "hard nut to crack."
• A comfortable situation is not a "hard nut to crack."