[{"role": "user", "content": "I've been working all day and now I feel tired. Can you tell me how to express this in Italian?"}, {"role": "assistant", "content": "The Italian translation of your sentence is 'Ho lavorato tutto il giorno e adesso mi sento stanco.' However, if you just want to say 'Now I feel tired', the translation would be 'Adesso mi sento stanco.' If you're a female speaker, you would say 'Adesso mi sento stanca.'"}]