為什么用棉花塞住耳朵

"Boy, why have you got cotton-wool in your ear? Is it infected?"

　　“孩子，你為什么用棉花塞住耳朵?它感染了嗎?”

　　"No, sir, but you said yesterday that everything you told me went in one ear and out the other , so I am trying to stop it."

　　“沒有，老師?？墒悄阕蛱煺f你告訴我的知識都是一個耳朵里進，一個耳朵里出，所以我要把它堵在里面。”