帮忙找一个搞笑的英语对话

小明上英文课时跟老师说：may i go to the toilet? 老师说：go ahead. 小明就坐了下来。过了一会儿，小明又跟老师说：may i go to the toilet? 老师说：go ahead. 小明又坐了下来。他旁边的同学于是忍不住问：你不是跟老师说要上厕所吗？怎么不去？小明说：你没听老师说“去你个头”啊！

Recently. John is learning Chinese. For he is going on a trip to china. Several weeks later. He thought he had learn it well. Then he went in the trip. After he came back. His friend ask him about the trip. He said. I didn't have trouble speaking Chinese. But the Chinese did!