[{"role": "user", "content": "I'm trying to describe someone's behavior in Italian, but I'm not sure how to translate the phrase 'He acts quickly.' Could you help me with that?"}, {"role": "assistant", "content": "The translation of 'He acts quickly' in Italian is 'Lui agisce rapidamente.' If you want to make it more concise, you can also use 'Lui agisce in fretta', but 'Lui agisce rapidamente' is a more literal translation."}]