[{"role": "user", "content": "I've come across the idiomatic expression 'That's an old hat' and I'm curious to know its equivalent in Italian, how would a native speaker translate this phrase?"}, {"role": "assistant", "content": "The phrase 'That's an old hat' is an idiomatic expression that means something is outdated or no longer interesting. A native Italian speaker would translate this phrase as 'Quello \u00e8 un vecchio cappello.'"}]