[{"role": "user", "content": "I'm trying to express a regretful sentiment in Italian, could you help me translate the sentence 'I would've waited' into Italian?"}, {"role": "assistant", "content": "The translation of 'I would've waited' in Italian is 'Avrei aspettato'. This sentence is used to express a regretful sentiment, indicating that you would have waited if the circumstances were different."}]