[{"role": "user", "content": "I'm trying to learn some idiomatic expressions in Italian and I'm stuck on the sentence 'Hold your tongue!' Can you help me translate it?"}, {"role": "assistant", "content": "The idiomatic expression 'Hold your tongue!' translates to 'Tieni a freno la lingua!' in Italian. This phrase is used to advise someone to remain silent or to avoid talking about something."}]