[{"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 '\u00c8 ingrassato.'. However, it's worth noting that commenting on someone's weight can be sensitive, and it's generally more polite to avoid direct comments about someone's appearance. If you need to discuss someone's weight, it's better to use more tactful and indirect language."}]