[{"role": "user", "content": "I'm reading a book and stumbled upon the sentence 'He muttered a curse.' Can you help me understand how to express that sentiment in Italian?"}, {"role": "assistant", "content": "The sentence 'He muttered a curse' can be translated to Italian as 'Ha borbottato una maledizione.' This phrase conveys the idea that someone quietly uttered a swear word or an expression of anger or frustration."}]