[{"role": "user", "content": "I'm trying to learn some key phrases in Italian for a historical drama project and I'm having trouble with one of the lines. Could you help me translate the sentence 'You betrayed us.'?"}, {"role": "assistant", "content": "The correct translation is 'Lei ci ha traditi.' or more informally 'Ci hai traditi.' depending on the context and the level of formality you want to convey."}]