A: What are you doing in your room? 　　B: I’m trying to clear it of all the junk I have collected over the years. 　　junk 　　n. 废旧物品，破烂 　　vt. 丢弃，废弃 　　A: What are you doing in this part of town? 　　B: Sir, it is my new jurisdiction . 　　jurisdiction 　　n. 1。司法权，审判权，裁判权;2。权力，管辖权; 3。权限，管辖范围 　　A: Sorry, Sir, my dog ate my homework. 　　B: That is not adequate justification for being late again. 　　justification 　　n. 正当的理由，借口 　　A: John was taken to the juvenile court for the hearing. 　　B: Oh, that is right he is only 14 and too young to be on trial in the central court. 　　juvenile 　　a. 1。少年的，少年特有的;2。幼稚的，不成熟的 　　n. 未成年人，少年 　　K 　　A: I dreamt I was kidnapped by a gang of thieves. 　　B: You were not dreaming! 　　kidnap 　　vt. 绑架，诱拐 　　A: Doctor, I have a severe pain in my lower back. 　　B: It may be your kidneys , let me check.