(1) with ①“和……在一起,跟,同”,如:live with one’s parents(同父母住在一起)②“在……一边,同……一致,赞同,支持”,如:sympathize with sb.(同情某人)③“加上,连同,包括”,如:It cost $5 with the tax.(这东西连税在内一共花5美元。)④“带有,具有,留着(头发,胡须等),穿着,戴着”,如:a man with a gun(一个带枪的人),a coat with two pockets(有两个口袋的外衣)⑤“随着”,如:change with the season(随着季节变化)⑥“用,使用”,一般接具体的工具,如:He peeled the apple with a knife.(他用刀削苹果。)⑦引出抽象的行为,如情感,疾病等,表示原因,如:He was struck with horror.(他惊恐万分。)
(2)at ①“在(某个时间)”,如:at midnight(在午夜)②指地点“在……里/上/旁”,如:sit at the window(坐在靠窗子的地方)③“向,朝着,以……为目标”,如:The dog barked at her.(狗朝她吠叫。)④“处于……状态”,如:be at war(处于交战状态)⑤“at+名词”可表示“一……就”,如:He felt proud at the thought of his son’s achievement.(他一想到儿子的成就就感到骄傲。)⑥“(指价格,速度,数额,程度等)以,达”,如:at great speed(以高速)
(3)on ①“在……上”,如:a ring on one’s finger(戴在手指上的一枚戒指)②“靠近,在……旁”,如:a cottage on the lake(湖畔的村舍)③“凭,靠,以……为根据”,如:make judgment on the report(凭报告作出判断),I bought it on credit.(这东西我是赊账买来的。)④ “on+名词/动名词”结构表示“一……就,当……”如:On hearing the bad news, she burst into tears.(一听到这个消息,她大哭起来。)
(2)at ①“在(某个时间)”,如:at midnight(在午夜)②指地点“在……里/上/旁”,如:sit at the window(坐在靠窗子的地方)③“向,朝着,以……为目标”,如:The dog barked at her.(狗朝她吠叫。)④“处于……状态”,如:be at war(处于交战状态)⑤“at+名词”可表示“一……就”,如:He felt proud at the thought of his son’s achievement.(他一想到儿子的成就就感到骄傲。)⑥“(指价格,速度,数额,程度等)以,达”,如:at great speed(以高速)
(3)on ①“在……上”,如:a ring on one’s finger(戴在手指上的一枚戒指)②“靠近,在……旁”,如:a cottage on the lake(湖畔的村舍)③“凭,靠,以……为根据”,如:make judgment on the report(凭报告作出判断),I bought it on credit.(这东西我是赊账买来的。)④ “on+名词/动名词”结构表示“一……就,当……”如:On hearing the bad news, she burst into tears.(一听到这个消息,她大哭起来。)