[{"role": "user", "content": "I'm writing a letter to an Italian friend and I want to express that I'm familiar with someone, could you please tell me how to translate the sentence 'I know him by name' into Italian?"}, {"role": "assistant", "content": "The translation of 'I know him by name' in Italian is 'Io lo conosco di nome.' This phrase is used to express that you are familiar with someone, but you don't really know them personally."}]