[{"role": "user", "content": "I'm trying to learn Italian and I want to express my regret, can you please help me translate 'Why did I trust you?' into Italian?"}, {"role": "assistant", "content": "The translation of 'Why did I trust you?' into Italian is 'Perch\u00e9 mi sono fidato di lei?' if you're speaking to a female, or 'Perch\u00e9 mi sono fidato di te?' if you're speaking informally, or 'Perch\u00e9 mi sono fidato di lui?' if you were to trust a male. However, please note that the most common way to express this sentence would be 'Perch\u00e9 mi sono fidato di te?' when speaking informally to someone you know, and 'Perch\u00e9 mi sono fidato di lei?' when speaking formally to someone you don't know well, especially if you're a male speaking to a female."}]