[{"role": "user", "content": "I'm trying to understand the meaning and translation of the English idiom 'Dead dogs don't bite.' Can you help me translate it into Italian and also provide some context about its usage?"}, {"role": "assistant", "content": "The English idiom 'Dead dogs don't bite' translates to 'I cani morti non mordono' in Italian. This phrase is used to convey that someone or something that is no longer a threat or has no power can't cause harm. It's often used to suggest that one shouldn't waste time or energy on something that is no longer a problem or a danger."}]