比尔昨天上学很不愉快。在回家的路上丢了小刀，而且又跌倒，最后当他弄断鞋带时，他就再也忍不住地哭了起来。 Bill had a bad day in school yesterday. He lost his knife on the way home, then he fell down, and when he broke a shoe lace, that was the last straw and he began to cry.
有个男人站在门旁，手里拿着小刀。 By the door stood a man with a knife in one hand.
他用一把小刀把自己的名字刻在墙上。 He scratched his name on the wall with a knife.
