[{"role": "user", "content": "I recently had a disappointing experience with someone named Tom, and I'd like to express that in Italian - can you help me translate the sentence 'Tom let me down' into Italian?"}, {"role": "assistant", "content": "Sorry to hear that you had a disappointing experience with Tom. The correct translation of the sentence 'Tom let me down' in Italian is 'Tom mi deluse.'"}, {"role": "user", "content": "That's perfect, thank you so much for the translation! Can you also help me understand the context in which I can use this sentence?"}, {"role": "assistant", "content": "You can use the sentence 'Tom mi deluse' in any situation where you want to express that Tom failed to meet your expectations or did not fulfill a promise. For example, if Tom promised to help you with something but didn't show up, or if he said something that turned out to be untrue."}, {"role": "user", "content": "I see, I think I'll use it in a conversation with a friend to talk about what happened. Is there a more formal or informal way to say it?"}, {"role": "assistant", "content": "The sentence 'Tom mi deluse' is a fairly neutral way to express disappointment, suitable for most conversations. However, if you want to use a more formal tone, you could say 'Tom non ha mantenuto la sua promessa' (Tom didn't keep his promise). For a more informal tone, you could say 'Tom mi ha fatto crollare le illusioni' (Tom crushed my illusions)."}]