A: A journalist for the national paper wrote a warm appraisal for the new play.
B: I must book a ticket soon then, before they are all sold out.
appraisal n. 估计，估量，评价
A: Did they apprehend the criminal yet?
B: No, I think that the police are still looking for him.
apprehend vt. 逮捕，拘押，领会，理解
A: What is your current occupation?
B: I am an apprentice electrician but I will be qualified in two months.
apprentice n. 学徒，徒弟
A: Your shirt is filthy.
B: Oops, I was cooking but did not have an apron.
apron n. 1. 围裙;2. 台口(舞台幕前的突出部分) ;3. 停机坪
A: Your comment about inefficient train service was most apt. I have been waiting in this platform for half an hour.
B: Oh, not quite. Here comes the train now.
apt a. 1. 易于，有(做某事的)倾向;2. 恰当的，适宜的;3. 聪明的，反应敏捷的
A: Did you get into the university course that you applied for?
B: Well, I have to pass an aptitude test first, and then if I am successful I will be admitted.
aptitude n. (学习方面的)才能，资质，天资
A: That is a beautiful bridge.
B: Yes, it’s in the shape of an arc.
arc n. 1. 弧形(物) ;2. 弧;3. 电弧，弧光
A: The new town hall is now completed.
B: Yes, I saw it , and the front arches look really beautiful.
arch n. 拱，拱门，拱形(结构)
A: I am very interested in buried ruins and treasures.
B: You should study archaeology.
A: It is my ardent wish to travel around the world.
B: You better start saving your money now.
ardent a. 热心的，热情的，热烈的
A: The concert will take place in the main arena .
B: Wow, it will be huge. I know it can hold 30,000 people.
arena n. 1. 表演场地，竞技场;2. 活动场所
A: Mr. Smith was an aristocrat and owned a large piece of land in the south of the country.
B: Does that mean that he was also very wealthy?
aristocrat n. 贵族
A: I dreamt last night that a knight in shining armor rescued me from a burning tower.
B: Let me guess the ending, you woke up before you had a chance to fall in love!
armor n. 盔甲，装甲，保护物
A: The new shopping centre has a vast array of interesting products.
B: Yes, but they are far too expensive.
array n. 1. 展示，陈列，一系列;2. 排列，队形;3. 衣服，盛装;4. 数组，阵列
vt. 1. 排列，配置(兵力) ;2. 打扮，装饰
A: Why did you break up with your first boyfriend?
B: He was too arrogant and never listen to me.
arrogant a. 傲慢的，自大的
A: I heard that Ted was arrested for arson.
B: Yeah, he set the local school on fire.
arson n. 纵火(罪)
A: Don’t eat so many fatty foods, they will block your arteries .
B: But they are the foods that I like the best.
artery n. 1. 动脉;2. 干线，要道