[{"role": "user", "content": "I'm trying to understand the nuances of this sentence in an Italian context. Can you help me translate 'Tom stiffened' into Italian?"}, {"role": "assistant", "content": "The translation of 'Tom stiffened' in Italian is 'Tom si \u00e8 indurito.' This sentence typically implies that Tom became rigid or tense, often due to shock, fear, or surprise."}]