“Can you explain to me what the difference is between a high-pitched and low-pitched voice?”

　　“A high-pitched voice is when my father scolds me；a low-pitched voice is when my father speaks with his boss.”

　　“你能解释一下高音和低音的区别吗？”

　　“高音就是我父亲责备我的时候，低音就是我父亲对他老板说话的时候。”