affair) —(a：)用在以元音音素开头的词前an用在以辅音音素开头的词前，(a a(n) art. )泛指(① 一个：他是我的一个朋友。

He is a friend of mine. In a university, a European walks along a one-way road with a useful book, which is a usual thing. 在一所大学里，有个欧洲人拿着一本有用的书，沿着一条单行
道走，这是一件很平常的事。

An hour ago, an honest man accepted an honorable task. 一个小时以前，一个诚实的人接受了一项光荣的任务。

A square has four sides.任何一个或物：)同类事物中的(② 正方形有四条边。

我们每星期见两次面。

We meet twice a week.每一：)与表示单位的词连用(③ 一位名叫史密斯先生的人想见你。

A Mr. Smith wants to see you.④某，某一个：(⑤ 一种，一个：)用于某些抽象名词前，使其具体化和你一起工作真是件乐事。

It is a pleasure to work with you. 他不是个好教师。

He wasn’t a success as a teacher.他的新书获得了巨大的成功。

His new book was a great success.)个(⑥同一他们同岁。

They are of an age.：敌军弃城逃跑了。

The enemy abando ned the city and fled.①抛弃，放弃，戒除：abandon v.那个狠心的男人遗弃了妻儿。

The cruel man abandoned his wife and child.②离弃，背弃：沉溺于，纵情于abandon oneself to 【注意】：)为介词(to 请不要沉溺于电脑游戏abandon yourself to computer games.Please don’t 他极度悲伤。

He abandoned himself to grief. 她能够流利地说英语。

She has the
ability to speak English fluently.①能力：ability n.能干的人)/多才能(他是一个有才能He is a man of ability(many abilities)②才能，才智：有能力的，能够，能干的：able adj.他是位有能力的老师。

He is an able teacher.他是个能人。

He is an able man. 困难有助于把人们锻炼成能干的人。

Difficulties help to forge people into able folk. ：)常指经过努力做成某事(能够做某事be able to do sth.【注意】①
他很快把问题解决了。

He was able to solve the problem quickly. 这件事他绝对没办法处理。

By no means was he able to handle it. 使能够，使可能：enable v.② 听音乐能使我们放松。

Listening to music enables us to feel relaxed. 狗的耳朵使它能听到极细微的声音。

A dog’s ears enable it to hear the least sound. 业余爱好能够使你结识很多朋友。

Hobbies may enable you to make many friends. ：unable的反义词able③这件事我们是爱莫能助了。

We are willing to help but unable to do so about this. 他无法理解他人的想法。

He is unable to relate to other people. I was so overpowered by my guilt and my shame that I was unable to speak. 内疚和羞愧令我无地自容，难以启齿。

反常的，不正常的，变态的：abnormal adj. 我们对他的反常行为感到非常吃惊。

We were very surprised at his abnormal behavior. 他精神不正常。

He is mentally abnormal. 研究变态心理学是重要的。

It is important to make a study of abnormal psychology.：normal的
反义词abnormal【注意】一切完全正常。

Everything is absolutely normal. 犯这种罪的人心理都不正常。

People who commit crimes like that aren’t normal. 我们现在可以重新过上正常的生活了。

We can start living a normal life again now.上：)飞机、车(，在船)飞机、车(上船aboard adv.& prep.欢迎搭乘本班开往伦敦的飞机。

Welcome aboard this flight to London. 他上了飞机。

He has gone aboard(the plane). It was Abraham Lincoln who abolished slavery in the United States. 终止，废除：abolish v. 林肯废除了美国的奴隶制度。

·正是亚伯拉罕坏的风俗应当废除。

Bad customs should be abolished.废除，废止，取消：abolition n.【注意】这种习俗已经废止两年了。

It has been two years since the abolition of the custom.夭折、失败：)计划等(流产，堕胎，abortion n. 人工流产在这个国家是不合法的。

Abortion is illegal in this country. 他们正在讨论堕胎的道德性。

They are discussing the morality of abortion.
他的企图没能得逞。

His attempt proved to be an abortion. 岁。

50她大约She is about fifty.①大约，差不多：about adv.我习惯于独来独往。

I am used to going about alone.②在周围，到处：附近没有人。

There was nobody about.③在附近：他周游了全世界。

He trav eled about the world.①在……各处，到处：prep. He looked about him now and then.：)周围(②在……附近他不时地环顾四周。

他谈到了他的家人。

He talked about his
family.③关于，涉及：你身上带有打火机吗？Do you have a lighter about you?：)边(④在……身上你在干什么？What are you about?⑤从事于： ? 喝杯茶怎么样How about having a cup of tea?……怎么样：…How/What about【注意】① 早几天的那件事怎么样了？What about that matter the other day?即将要做某事be about to do sth.②时间状语从when但是可与不与具体的时间状语连用，( ：)句连用他们就要动身了。

They are about to start. 他正要离开，这时电话响了。

He was about to leave when the phone rang. I was about to turn off my computer when I received an email from my mom. 我正准备关电脑，这时收到了我妈妈的电子邮件。

①高于，高出，在……上方：above prep.我看见月亮在屋顶上。

I saw the moon above the roof. 我们在云层上面飞行。

We were flying above the clouds. 健康胜过财富。

Health is above wealth.②超过，胜过：③不屑于，不至于，不会：他不至于做出这样的事情来。

He is above doing such things. (= the statement above) 如上所述the above statement上面的：adj.上述计划。

the plan mentioned above在上面，在前面：adv. 首先，尤其是：above all【注意】① 首要的一点是，需要更多的人去创业。

Above all, more people need to start a business. 自高自大，自命不凡：above oneself② ng above herself. ver since they made her assistant manager, she’s been gettiE 自从他们让她当了助理经理后，她
就开始自命不凡了。