Mother:Don't pull the dog's tail! "别着扯那条狗的尾巴！ Son:Why? What will happen if I do? 为什么？如果我这样做会怎么样？ Mother:If you pull his tail,he will bite you. 如果你扯它的尾巴,它会咬你. Son:No,he won't.I pulled out all his teeth this morning. 不,他不会. 今天早上我把他的牙齿全拔光了.
