hard nut to crack

Другие идиомы:

• hard sell
• hard to call
• to be hard on (someone's) heels
• hard-and-fast rule
• hard-nosed
• hard of hearing
• hard feelings
• hard to stomach (someone or something)
• hard-pressed
• hard on (someone's) heels
• hard up
• as hard as nails
• hit (someone) hard
• hard on (someone or something)
• acquire a taste for (something)