[{"role": "user", "content": "I need to express regret to someone in Italian, can you help me translate 'I warned you'?"}, {"role": "assistant", "content": "The translation of 'I warned you' in Italian is 'Io ti avevo avvisata' (if the person you're addressing is a female) or 'Io ti avevo avvisato' (if the person you're addressing is a male)."}]