/əz; əz; strong form 强读式 z; æz/
prep
1 so as to appear to be (sb) 好像（某人）
*dressed as a policeman 打扮得像个警察
* They entered the building disguised as cleaners. 他们化装成清洁工人的模样进入大楼.
2 having the function or character of (sb) 有（某人）的身分或特性; 作为; 当作
*a job as a packer 包装者的工作
* work as a courier 当导游
* I'm speaking as your employer. 我以雇主的身分和你说话.
* Treat me as a friend. 把我当作朋友.
* accept sb as an equal 把某人视为同等的人
* I respect him as a writer and as a man. 我尊重他这位作家, 也尊重他这个人. =>Usage 见所附用法.
3 (a) since sb is (sth) 因某人是（某身分）
*As her private secretary he has access to all her correspondence. 他是她的私人秘书, 能接触到她所有的信件.
(b) when or while sb is (sth) 当某人是（某身分）时
*As a child she was sent to six different schools. 她儿时前後上过六所学校.

adv
1 as...as (used before advs and adjs in order to make a comparison 用于副词和形容词之前, 以构成比较句型)
(a) (with the second as a prep 第二个as用作介词) to the same extent...; equally...as 达到与...相同的程度; 与...等同
*as tall as his father 和他父亲一样高
* This dress is twice as expensive as that. 这件连衣裙比那件贵一倍.
* He doesn't play half as well as his sister. 他演奏的水平不及他姐姐的一半.
* I haven't known him as long as you. 我没有你认识他的时间长.
* As likely as not (ie Very probably), it will rain. 很有可能要下雨.
(b) (with the second as a conj 第二个as用作连词) to the same extent...as; equally...as 同...一样达到某种程度; 与...等同
*He looks as ill as he sounded on the phone. 他的样子和他在电话中说话的声音反映的病情是一样的.
* His eyes aren't quite as blue as they look in the film. 他的眼睛不像在电影 见到的那么蓝.
* Run as fast as you can. 你能跑多快就跑多快.
* He recited as much of the poem as he could remember. 他把诗中记得住的都背诵出来了.
* She's as good an actress as she is a singer. 她当演员和当歌手都一样出色.
2 not differently from; like 和...无不同; 像; 如
*As before he remained unmoved. 他和以往一样无动于衷.
* The `h' is silent as in `hour'. 在hour这个字中, h不发音.

conj
1 during the time when; while 在...期间; 当...的时候
*I watched her as she combed her hair. 她梳头的时候我一直看着她.
* As he grew older he lost interest in everything except gardening. 他年纪越来越大, 除了喜欢园艺以外, 对一切都失去了兴趣.
2 (usu placed at the beginning of the sentence 通常置于句首) since; because 由于; 因为
*As you weren't there I left a message. 因为你不在那 , 我留了个信儿.
* As she's been ill perhaps she'll need some help. 她由于生病可能需要些帮助.
3 (used after an adj or adv to introduce a clause of concession 用于形容词或副词之後, 引导让步从句) although 尽管; 即使; 虽然
*Young as I am, I already know what career I want to follow. 我虽然还小, 可是对要从事的职业已胸有成竹了.
* Talented as he is, he is not yet ready to turn professional. 别看他有天分, 他还没把心用到专业上去.
* Much as I like you, I couldn't live with you. 我尽管很喜欢你, 却不能和你在一起生活.
* Try as he would/might, he couldn't open the door. 他试过多次了, 却仍打不开那门.
4 in the way in which 以...方式
*Do as I say and sit down. 照我说的, 坐下.
* Leave the table as it is, ie Do not disturb the things on it. 那桌子就那样吧（不要动上面的东西）.
* Why didn't you catch the last bus as I told you to? 你怎么不听我的话赶乘末班公共汽车呢?
5 a fact which 为...之事实
*Cyprus, as you know, is an island in the Mediterranean. 如你所知, 塞浦路斯是地中海的岛国.
* The Beatles, as many of you are old enough to remember, came from Liverpool. 你们这样年纪的人大多还记得披头士乐队吧, 他们都是利物浦人.
6 (usu followed by be or do + subject 通常後接be或do +主语) and so too 也一样
*She's unusually tall, as are both her parents. 她特别高, 她父母也都那么高.
* He's a doctor, as was his wife before she had children. 他是医生, 他妻子生儿育女之前也当过医生. =>Usage 见所附用法.
7 (idm 习语) as against sth in contrast with sth 与...对照; 与...相比
*She gets Saturdays off in her new job as against working alternate weekends in her last one. 她新找的这份工作星期六放假, 而原来的那份工作周末是隔周放假.
* We had twelve hours of sunshine yesterday, as against a forecast of continuous rain. 昨日有十二小时的晴天, 预报却说仍有雨. ,as and `when
(a) (referring to an uncertain future event or action 指将来的某一未定的事或行动) when 到时候
*We'll decide on our team as and when we qualify for the competition. 我们来决定自己的队到什么时候才有资格参加比赛. Cf 参看 if and when (if).
(b) (infml 口) when possible; eventually 可能时; 终于; 最终
*I'll tell you more as and when, ie as soon as I can. 有可能时我再多跟你说. as for sb/sth with regard to sb/sth 至于某人[某事物]
*As for the hotel, it was very uncomfortable and miles from the sea. 至于旅馆呢, 非常不舒服, 而且离海边有好几里地.
* As for you, you ought to be ashamed of yourself. 至于你, 你应该感到惭愧. as from; esp US as of (indicating the time or date from which sth starts 指某事物开始的时间或日期)
*As from next Monday you can use my office. 从下星期一起, 你可以使用我的办公室.
* We shall have a new address as of
12 May. 我们自5月12日起将用新地址. as if; as though with the appearance of; apparently 好像; 似乎; 彷佛
*He behaved as if nothing had happened. 他装作若无其事的样子.
* As if unsure of where she was, she hesitated and looked round. 她彷佛茫然不知身在何处, 犹犹豫豫向四周打量.
* He rubbed his eyes and yawned as though waking up after a long sleep. 他又揉眼睛又打哈欠, 好像睡了一大觉刚醒似的. ,as it `is taking present circumstances into account; as things are 照现状看; 看样子
*We were hoping to have a holiday next week as it is, we may not be able to get away. 我们原来盼望着下星期放假--看样子走不了了.
* I thought I might be transferred but as it is I shall have to look for a new job. 我以为我可能调动工作, 照目前情况看我得另找工作了. ,as it `were (used to comment on the speaker's own choice of words, which may give only an approximate meaning 用以评断自己用词是否恰当, 指词义接近而已)
*She seemed very relaxed in her natural setting as it were. 她似乎十分悠然自得--可以说是有自己随遇而安的天地.
* He'd been watching the water rising for two hours preparing to meet his destiny, as it were before help arrived. 他在获救前的两小时中, 一直眼看着水在上涨--可谓准备听天由命了. as to sth; as regards sth with regard to sth; regarding sth 至于某事物; 提到某事物
*As to correcting our homework, the teacher always makes us do it ourselves. 谈到批改我们的作业, 老师总是让我们自己改.
* There are no special rules as regards what clothes you should wear. 至于应该穿什么衣服, 并没有硬性规定. as yet => yet. ,as you `were (used as an order to soldiers, etc to return to their previous positions, activities, etc 用作口令, 意为恢复到原来的位置, 姿势, 活动等).

NOTE ON USAGE 用法
*
1 When referring to the similarity between people, things and actions, both as and like are used 在谈到人, 事物或动作彼此有相同点或共同点时, 使用as和like均可. Like is a preposition and is used before nouns and pronouns *like是介词, 用于名词和代词之前
*Like me, she enjoys all kinds of music. 她和我一样, 各种音乐都喜爱. As is a conjunction and is used before a clause *as是连词, 用于分句之前
*She enjoys all kinds of music, as I do. 她各种音乐都喜爱, 和我一样. In informal speech like is frequently used as a conjunction, replacing both as and as if 在口语中, like往往用作连词, 当作as和as if使用
*Nobody understands him like/as I do. 没有人能像我这样理解他.
* It looks like/as if he won't arrive in time. 看来他好像不能按时到达了.
2 Compare the use of as and like indicating occupations or functions 试比较as和like用于职业或作用方面的用法
*She worked as a teacher (ie was a teacher) for many years. 她当了许多年的教师. Our doctor always talks to me like a teacher talking to a child, ie He is not a teacher but he has the manner of one. 给我们看病的医生对我说话总是像教师对小学生说话一样.

Ulfilas, or Gothic Wulfila: little wolf or belonging to Wolf (also Ulphilas. Orphila)Bennett, William H.