[{"role": "user", "content": "I've got a friend who's running behind schedule and I want to let them know in Italian, so how do I say 'You're so late' in Italian?"}, {"role": "assistant", "content": "You can say 'Lei \u00e8 cos\u00ec in ritardo.' which is the direct translation of 'You're so late' in Italian."}, {"role": "user", "content": "That sounds perfect, is there a more informal version?"}, {"role": "assistant", "content": "Yes, if you want to say it in a more informal way, you can simply say 'Sei in ritardo' but keep in mind it's more suitable for friends or people you're familiar with."}]