✍ Definition: Very tough, strong, or unfeeling 🧱💪✅ Example: She was as hard as nails when it came to negotiating a deal.بسیارسفت و سخت و اذیت کنندهMy bed is as hard as nails.عدم ابراز همدردی، مهربانی یا ترسمنبع :Oxford advanced+ عکس و لینک