[{"role": "user", "content": "I'd love to express my athletic ability to my Italian friend, so how do I say 'I can walk fast' in Italian?"}, {"role": "assistant", "content": "The correct translation of 'I can walk fast' in Italian is actually 'Posso camminare velocemente.' However, if you want to express the opposite, you would say 'Non posso camminare velocemente.', which means 'I can't walk fast.'"}]