1、优质文档优质文档at 的用法1、at 词组at (the) least 至少;最少。反义词组为 at (the)most 至多;最多。Mr Smith looks older than his real age.In fact,he is at (the)most 40 years old.史密斯先生很显老,实际上他最多 40 岁。Oh, really?I thought he was 50 years old at (the)least.噢,真的吗?我以为他至少 50 岁了。at the beginning of 在 初(开头),可指时间与空间。如:at the beginning of t
2、erm 在学期开始at the beginning of the book 在那本书的开头at the beginning 单独用时间 at first,也可 说 in the beginning.比较:at the end of 在末(尽头) at the end 在末尾处in the end 最终,同 at last in the middle of 在中期from beginning to end 从头至尾at the doctors该结构为介词+名词所有格,意为“在诊所”。所有格-s 后一般 接名词,如 her mothers bike ,但有时这个名词可省略,主要表现在以下两个方面:
3、指一个企业,机构,教堂,学校,医院,家庭,理发店,店铺时。如:She is at the hairdressers.为了避免重复,省略-s 后的名词。如:来源:Z#xx#k.Com优质文档优质文档I have read some of Shaws plays,but none of Shakespeares.at the last moment 在最后关头来源: 学+ 科+网at the moment 此刻;正在那时 for a moment 片刻,一会儿 for the moment 目前,暂时; in a moment 立刻,马上at the top of 在的顶部,上方; at the
4、top of a mountain 在山顶;at the top of ones voice 高声地,尖声地at war该介宾词组意思是“处于战争或交战状态”。在句中常作表语。如:The U.S.A.and Iraq are at war again.2、at/ with/ through三个介词都可表示原因,at 表示听到或看到的原因;with 表示人体外部的原因;through 强调自身的原因。如:be sad at the news 听了这个消息而悲伤; be frightened at the sight 看了那个情景而害怕;jump up with joy 高兴地跳了起来;turn
5、red with anger 气得脸红;shake with cold/fear 冻得/害怕得发抖;with pleasu re 高兴地;with pride 骄傲地;with satisfaction 满意地; make the mistake through his carelessness 由于粗心而出错;be put into prison through no fault of his own 没有任何罪过被关进监狱。来源: 学+ 科+网 Z+X+X+K应用汉译英来源:学科网 ZXXK听到这个消息,全国人民处于悲哀之中。孩子们高兴地跳了起来。由于大意他犯了这个错误。Key:At th
6、e news, the whole country was in deep sorrow.The children jumped up with joy.优质文档优质文档He made the mistake through his carelessness.3、at work/ out of work/ after work这三个以 work 为中心词的介词短语,在意思和用法上均不相同。(1)at work 表示“在工作、在上班”,作表语或状语。例如:They are both at work today.今天他们俩都在上班。His father had an accident at wor
7、k last week.上周的父亲在工作时出了事故。(2)out of work 表示“失业”,是介词短语,相当于 lost ones job 或 be unemployed。例如:If you dont work hard, youll be out of work.如果你不好好工作就会失业。Youll be out of work if you keep coming late.如果你老是迟到,你会失业的。(3)after work 表示“下班后”,作时间状语。例如:What do you usually do after work?下班后你经常干什么?I visited Mr Liu after work yesterday.昨天下班后我看望过刘先生。来源:学,科,网