above all: 首先, 首要           according to: 按照, 根据    
after all:毕竟,终于              ahead of:在…前面    
all over:遍及,到处               along with: 与…一起
as a matter of fact: 实际上        as a result: 结果;因此  
as a result of:由于…的结果            as a rule: 通常,惯例  
as far as:远至;到…程度               as far as …be concerned  
as follows:如下             as for:至于,就…方面来说    
as regards:关于,至于             as to:至于,关于  
as usual:照常;惯例               as well:也, 又
as well as: (除…之外)也,既…又  
aside from: 除…以外            at a loss: 困惑,不知所措  
at no time:从不,决不            at any rates: 无论如何
at any events:无论如何          at best: 充其量,至多    
at first:最初,起先               at first sight  
at hand:在手边,附近            at large: 逍遥法外;一般  
at last:最后               at least  
at length:详细地             at most  
at no time:决不             at once
at one time:同时;曾经;从前   at the cost of:以…为代价  
at present             at the mercy of:在…支配下    
at the moment         at the same time    
at times:有时,不时      back and forth    
by accident              by all means
by comparison           by far  
by means of             by mistake  
by no means             by reason of  
by the way               by virtue of:由于    
by way of               except for  
for a moment            for a while  
for ever                for example  
for good:永久地         for instance
for long:长久地         for purpose of:为了    
for the better:好转;改善   for the present
for the sake of:为了…起见  in a hurry  
in a moment           in a word
in addition            in addition to  
in all                 in any case
in any event:无论如何  in brief    
in case                in case of    
in charge of           in common  
in conclusion          in consequence    
in contrast to(with)      in detail  
in effect              in fact    
in favour of          in force  
in front of           in future    
in general           in hand: 携手,手拉手;结合起来
in honour of         in line with  
in nature            in no case
in not time:立即       in no way    
in order            in other words
in particular         in place of  
in practice          in proportion to      
in public           in question    
in regard to         in relation to    
in short            in spite of    
in sum             in terms of  
in the course of        in the distance  
in the event of         in the face of    
in the first place       in the future    
in the last place       in the light of
in the past             in the way of  
in time               in turn  
instead of            of  course  
off  duty            on a large scale:大规模地    
on account of:因为    on an average:平均;一般说来    
on board             on business:因事;因公    
on condition that:如果  on duty
on hand:在手边        on occasion:有时,不时    
on one’s own          on purpose:故意地
on the average: 平均;一般说来 on the basis of    
on the contrary        on the grounds of    
on the one hand       on the other hand
on the point of        on the whole  
on time:准时            out of date    
out of order          out of question    
out of the question     over and over
regardless of: 不管, 不顾    
thanks to             to the point: 切题
up to date            with regard to:对于;就…而论    
with relation to           with respect to    
with the exception of      with the purpose of:为了