[{"role": "user", "content": "I want to understand how to express frustration with someone's behavior in Italian. How do I say 'You're immature' in Italian?"}, {"role": "assistant", "content": "In Italian, you can say 'Sei immatura' to express that someone is immature. Please note that 'immatura' is used for a female, if you're referring to a male, you would use 'Sei immaturo'."}]