[{"role": "user", "content": "I'm writing a letter to my Italian friend who's studying abroad and I want to express my concern for their well-being, could you help me translate the sentence 'He must be homesick' into Italian?"}, {"role": "assistant", "content": "The translation of 'He must be homesick' in Italian is 'Deve avere nostalgia di casa.' This should help you express your concern for your friend's well-being in your letter."}]