[{"role": "user", "content": "I'm writing a letter to my Italian pen pal and I want to be sincere, can you help me translate the phrase 'I trusted him' into Italian?"}, {"role": "assistant", "content": "The translation of 'I trusted him' in Italian is 'Io mi fidavo di lui.' It's a very sincere way to express your feelings, and I'm sure your pen pal will appreciate it."}]