[{"role": "user", "content": "I'm trying to learn Italian and I'm stuck on the sentence 'Don't tell me.' Can you help me translate it?"}, {"role": "assistant", "content": "Certo! (Of course!) The translation of 'Don't tell me' in Italian is 'Non me lo dica.' If you want to be more informal, you can also say 'Non dirmelo'. But 'Non me lo dica' is the more formal and polite way to say it."}]