A: Stop! You are not authorized to enter this section of the building.
    B: Oh, I’m sorry, I didn’t realize that I needed special permission.
    authorize vt. 授權，批準
    A: What are you reading?
    B: Nelson Mandela’s autobiography, I highly recommend it.
    autobiography n. 自傳
    A: Is that dog over there real?
    B: No, I think that it is just an automation.
    automation n. 自動化(技術)，自動操作
    A: I am moving to an autonomous region of the country.
    B: Gosh, that will be an interesting experience.
    autonomous a. 1. 自治的;2. 獨立自主的
    A: You are very independent.
    B: My autonomy is protected by the law.
    autonomy n. 1. 自治，自治權;2. 人身自由，自主權
    A: Where you able to get through to the ticket office when you telephoned?
    B: I tried several times, but to no avail.
    avail n. [一般用于否定句或疑問句中] 效用，利益，幫助
    A: What was the film about?
    B: A guy trying to avenge the killing of his brother. It was quite violent.
    avenge vt. 1. 為…復仇，報…之仇;2. (on)向…報仇
    A: Let’s turn left down the next road.
    B: Good idea, that way we can avert the traffic jam.
    avert vt. 1. 防止，避免;2. 轉移(目光、注意力等)
    A: I heard that the national aviation company owes a lot of money to the government.
    B: Well, it must be because of the price of new planes.
    aviation n. 1. 航空，航空學;2. 飛機制造業(yè)
    A: I was filled with awe when I watched the sun rise this morning.
    B: It is a shame that I missed it, I was still in bed.
    awe n. 敬畏，驚懼
    vt. 使敬畏，使驚懼
    be / stand in awe of 敬畏
    A: At what speed does the earth spin on its axis?
    B: I am not quite sure, you should check in your textbook.
    axis n. 1. 軸，軸線，中心線;2. 坐標軸，基準線
    A: My brother got married last year.
    B: That surprises me, I thought that he would remain a bachelor for the rest of his life.
    bachelor n. 1. 單身男士，單身漢;2. 學士，學士學位
    A: That is a nice badge that you are wearing.
    B: Thanks, I bought it at the market this morning.
    badge n. 1. 徽章，證章;2. 標記，標志;3. 象征
    A: Would you like have a game of badminton with me this evening?
    B: Sorry, but I only play football.
    badminton n. 羽毛球運動
    A: Did you enjoy the film?
    B: Yeah, but I was baffled by the plot.
    baffle vt. 使困惑，難住
    A: Was the criminal released from jail?
    B: Yes, but only on bail.
    bail n. 1. 保釋金;2. 準許保釋
    vt. 1. (out) 保釋，幫助脫離困境;2. 用桶(從船里)舀水