[{"role": "user", "content": "I'm writing a letter to my Italian friend and I want to express my gratitude, can you please help me translate the sentence 'We've been lucky' into Italian?"}, {"role": "assistant", "content": "The translation of 'We've been lucky' in Italian is 'Siamo stati fortunati.' You can use this sentence to express your gratitude and let your friend know that you feel fortunate about something that has happened."}]