by accident 偶然on account of 因为，由于，为了……的缘故in addition to 另外，加之in addition 除…之外（还）in the air 流传中on （the／an）average 按平均值，通常on the basis of 根据，在…的基础上at best 充其量，至多for the better 好转，向好的方向发展on board 在船（车或飞机）上out of breath 喘不过气来on business 因公，因事in any case 无论如何，不管怎样in case of 假如，如果发生；防备in case 假使，以防（万一）in no case 决不，无论如何不by chance 偶然，碰巧in charge （of）负责，管理（a）round the lock 日夜不停地in common 共用的，共有的in conclusion 最后，总之on condition （that）如果in consequence of 由于…的缘故，因为on the contrary 正相反in contrast with／to 与…对比起来，与…形成对比out of control 失去控制out of danger 脱离危险have／gain access to 可以获得take…into account 考虑到，顾及，体谅take advantage of 占…的便宜，利用pave the way （for）铺平道路，为…作准备pay attention to 注意do／try one‘s best 尽力，努力get／have the best of 战胜make the best of 充分利用get／have the better of 战胜，在…中占上风catch one‘s breath 屏息；喘气，气喘；歇口气take care 注意，当心take care of 爱护，照料take a chance 冒险，投机take charge 开始管理，接管keep…company 陪伴take （a）delight in 以…为乐make a difference 有影响，起（重要）作用carry／bring／put into effect 使生效，实行，实现come／go into effect 生效，实施take effect 生效，起作用catch sb‘s eye 被某人看到，引起某人注意keep sb‘s head 保持镇静in the world 究竟，到底lose sb‘s head 慌乱，仓皇失措lose heart 丧失勇气，失去信心get／catch／take hold of 抓住，得到keep house 管理家务throw／cast light on／upon 使人了解，阐明bear／keep in mind 记住have in mind 考虑到，想到make up one‘s mind 下定决心，打定主意a series of一系列,一连串above all首先,尤其是after all毕竟,究竟ahead of在...之前ahead of time提前all at once突然,同时all but几乎;除了...都all of a sudden突然all over遍及all over again再一次,重新all the time一直,始终all the same仍然,照样的as regards关于,至于anything but根本不as a matter of fact实际上apart from除...外(有/无) as a rule通常,照例as a result(of)因此,由于as far as...be concerned就...而言as far as远至,到...程度as for至于,关于as follows如下as if好像,仿怫as good as和...几乎一样as usual像平常一样,照例look after照顾，照看look ahead向前看look forward to盼望look in顺便来访look at考虑look back回头看look down on/upon看不起look for寻找look on观看look out注意look over把……看一遍look thrrough浏览look to照看look up好转as to至于,关于all right令人满意的;可以as well同样,也,还as well as除...外(也),即...又aside from除...外(还有) at a loss茫然,不知所措at a time一次,每次at all丝毫(不),一点也不at all costs不惜一切代价at all events不管怎样,无论如何at all times随时,总是at any rate无论如何,至少at best充其量,至多at first最初,起先at first sight乍一看,初看起来at hand在手边,在附近at heart内心里,本质上at home在家,在国内at intervals不时,每隔... at large大多数,未被捕获的at least至少at last终于at length最终,终于at most至多,不超过at no time从不,决不by accident偶然at one time曾经,一度;同时at present目前,现在at sb’s disposal任...处理at the cost of以...为代价at the mercy of任凭...摆布at the moment此刻,目前at this rate照此速度at times有时,间或back and forth来回地,反复地back of在...后面before long不久以后beside point离题的,不相干的beyond question毫无疑问by air通过航空途径by all means尽一切办法,务必by and by不久,迟早by chance偶然,碰巧by far最,...得多by hand用手,用体力by itself自动地,独自地by means of用,依靠by mistake错误地,无意地by no means决不,并没有by oneself单独地,独自地by reason of由于by the way顺便说说by virtue of借助,由于by way of经由,通过...方法due to由于,因为each other互相even if/though即使,虽然ever so非常,极其every now and then时而,偶尔every other每隔一个的except for除了...外face to face面对面地far from远非,远离for ever永远for good永久地for the better好转for the moment暂时,目前for the present暂时,目前for the sake of为了,为了...的利益for the time being暂时,眼下from time to time有时,不时hand in hand手拉手,密切关联head on迎面地,正面的heart and soul全心全意地how about...怎么样in a hurry匆忙,急于in case of假如,防备in a moment立刻,一会儿in a sense从某种意义上说in a way在某种程度上in a word简言之,总之in accordance with与...一致,按照in addition另外,加之in addition to除...之外(还)in advance预先,事先in all总共,合计in any case无论如何in any event无论如何in brief简单地说in charge of负责,总管in common共用的,共有的in consequence(of)因此;由于in debt欠债,欠情in detail详细地in difficulty处境困难in effect实际上,事实上in general一般来说,大体上in favor of支持,赞成in front of面对,在...前in half成两半in hand在进行中,待办理in honor of为庆祝,为纪念in itself本质上,就其本身而言in line with与...一致in memory of纪念in no case决不in no time立即,马上in no way决不in order按顺序,按次序in other words换句话说in part部分地in particular特别,尤其in person亲自,本人in place在合适的位置in place of代替,取代,交换in practice在实践中,实际上in proportion to与...成比例in public公开地,当众in quantity大量in question正在谈论的in regard to关于,至于in relation to关于,涉及in return作为报答/回报/交换in return for作为对...报答in short简言之,总之in sight被见到;在望in spite of尽管in step齐步,合拍in step with与...一致/协调in tears流着泪,在哭着in the course of在...期间/过程中in the distance在远处in the end最后,终于。