1. It’s one thing to use a word, it’s another to explain it.2. He looked confused, a reminder that clever is not clever if it doesn’t communicate.3. I went on talking, as if a thousand vague words would add up to one accurate definition.4. I had no idea because the longer I thought about idioms the less sure I was what they were.5. I can only trust that someone as curious as he is also owns a dictionary.