Two snakes were slithering through a field. One snake turned to the other and asked, “do you suppose we are poisonous snakes?”
“I don’t know,” replied the other, “why?”
“well,” said the first, “I have just bit my lip.”
 
两条蛇在田地里爬行。一条蛇问另一条：“你觉得咱们是毒蛇吗？”
另一只回答道：“我不知道。你为什么会问这个呢？”
第一条蛇说：“我刚刚咬了自己的舌头。”