[{"role": "user", "content": "I'd like to know how to express the sentence 'You've grown fat' in Italian, is it something I can say in a polite conversation or is there a more tactful way to phrase it?"}, {"role": "assistant", "content": "The translation of 'You've grown fat' in Italian is 'Sei ingrassato.'. However, it's worth noting that commenting on someone's weight can be sensitive, so it's generally more polite to avoid the topic or express it in a more tactful way."}]