1.a moment later 片刻之后                     

2.a pair of... 一对，一双

3.all by oneself 独自，单独                        4.as...as... 与…..一样

5.not as (so) ...as... 与.…..不一样               

6.as soon as 一... ...就...

7.as usual 像平常一样                              

8.at once 立刻，马上

9.at the head of ... 在……的前头                 

10.at the end of …在……结尾

11.at the moment 此刻                         

12.be angry with... 对(某人)发脾气

13.be famous for... 因……而出名                

14、be fed up with 对……感到厌倦

15.be interested in 对……感兴趣                      16.catch up with 赶上

17.come to oneself 恢复知觉，苏醒                   

18、do / try one`s best 尽最大努力，尽力

19.eat up 吃光，吃完                           20.either...or... 或者.…..或者.…..