1. as
as a matter of fact事实上                      as a result结果是，所以
as far as远到，就——而言，至于              as far as—— be concerned就——而言
as follows如下                              as for至于，说到
as if好像，仿佛                             as regards关于，至于
as soon as一——就                         as to至于
as well同样，也，还                         as well as既——又，除——之外（也）.
2. at.
At a time每次，一次                         at all times无论何时，总是
At any rate无论如何.                          At best充其量，至多
At one’s best处于最佳状态，在颠峰时刻         At one’s convenience顺便，方便时
At first首先                                 at firs .sight一看就
A t hand在手边，即将到来                     a .large大多数
At last终于                                  at least至少
At most至多，不超过                         At no time决不，从不
At once立即                                 at random随机的，无目的地
At present现在                               a t the cost of以——为代价.
At the mercy of在——支配下                   at times有时，不时
3. by
by accident意外地                           .by any means无论如何
by all means尽一切办法                       by and by渐渐地，不久
by chance意外地，偶然的                     by far远远——，——的多
by comparison比较起来                        by hand用手，亲手
by means of凭借，用                          by reason of由于
by way of通过——方法（形式），经由           by and large大体上，总的来说
by itself单独的，独自的                       by no means决不
by the way顺便说说，附带说说
4. for.
For example例如                             for instance例如
For the present目前，暂时                     or the most part多半，在极大程度上
For short简称，缩写                          for sure当然，一定，肯定，毫无疑问
For the benefit of为了——的利益               for. He sake of为了
For the time being暂时                         for sale代售
5. in
in a hurry急忙，立即                         in a sense在某种意义上
in a way在某种程度上，从某一点看            in a word简言之，总之，一句话
in accordance with依照，依据                  in addition to除——之外，另外
in advance预先，在前面                      in any case不管怎样，无论如何
in brief简单的说                             in case假使，以防万一
in case of假如发生，万一发生                 in charge of负责
in common共同的，共用的                    in comparison with与——相比
in consequence结果因此                      .in consequence of由于
in contrast with与——相比                     in contact with与——接触
in danger在危险中                            in existence存在的
in detail详细                                 in fact事实上，其实
in favor of支持，有利于                       in front of在——前面
in future今后，从今以后                      in hand在掌握中，正在进行
in honor of为——祝贺，向——表示敬意        in itself实质上，本身
in line with和——一致与——符合              in memory of纪念
in no time立刻，很快           &n