Idiom: Hard Nut to Crack
Hard Nut to Crack – Idiom of the Day for IELTS Speaking
Definition: a problem that is hard to solve or a person who is hard to understand
- Tom sure is a hard nut to crack. I can’t figure him out.
- This problem is getting me down. It’s a hard nut to crack.
Food Idioms Quiz
Choose the best meaning for the following idiom: A hard nut to crack
A. food difficult to digest
B. A difficult problem
C. Stale food
Try this multiple-choice quiz to check your understanding of idioms based on food and foods.