[{"role": "user", "content": "I've heard that 'Tom's big-headed' is an idiomatic expression, but I'm not sure how to convey the same meaning in Italian. Can you help me find an equivalent translation for this phrase?"}, {"role": "assistant", "content": "The phrase 'Tom's big-headed' is indeed an idiomatic expression that means Tom is conceited or has an inflated sense of his own importance. The equivalent translation in Italian is 'Tom ha la testa grande.'"}]