[{"role": "user", "content": "I'm trying to understand the nuances of a particular situation and I'd love to know how to convey the idea that 'He cannot stop him' in Italian, could you provide me with an accurate translation?"}, {"role": "assistant", "content": "The correct translation for 'He cannot stop him' in Italian is 'Lui non riesce a fermarlo'. This sentence effectively conveys the idea that one person is unable to stop another person from doing something."}]