I am all ears 洗耳恭听

One day, we hired a carpenter to repair our house. I dwelt on （详细讲述）all the details that needed repairing to him. then I asked him, Are you clear? Can you remember all that? Yes! the carpenter replied. I am all ears! I felt puzzled and did not know what he meant. Later my eldest son explained to me that he meant, I am listening attentively!.