1. a big headache 令人头痛的任务

2. a fraction of 一部分

3. a matter of concern 核心

4. a series of 一系列,连续串

5. absent from 不在,列席

6. abundant in 富于

7. account for 解释

8. accuse sb. of sth. 控告

9. add to 增长(add up to)

10. after all 毕竟可以上下分的电玩软件,毕竟可以上下分的电玩软件

11. agree with 赞成捕鱼电玩上下分

12. ahead of time / schedule 提早

13. ahead of 在...之前(ahead of time 提早)

14. alien to 与...相反

15. all at once 忽然,同时

16. all but 简直;除...都

17. all of a sudden 忽然

18. all over again 再一次,重新捕鱼电玩上下分

19. all over 普及

20. all right 令人满足的;可以

21. all the same 依然,照样的

22. all the time 一向,一直

23. angry with sb. at/about sth.朝气,末路怒

24. anxious about/for忧愁,担心

25. anything but 根本不

26. apart from 除...外(有/无)

27. appeal to 吸引,申述,请求

28. applicable to实用于

29. apply to实用

30. appropriate for/to恰当,合适

31. approximate to近似,接近

32. apt at聪慧,善于

33. apt to易于

34. around the clock通宵达旦

35. as a matter of fact 实际上

36. as a result(of) 是以,由于

37. as a rule 平日,按例

38. as far as ...be concerned 就...而言

39. as far as 远至,到...程度

40. as follows 以下

41. as for 至于,关于

42. as good as 和...简直一样

43. as if 仿佛,防腐

44. as regards 关于,至于

45. as to 至于,关于

46. as usual 像平常一样,按例

47. as well as 除...外(也),即...又

48. as well 异样,也,还

49. ashamed of 惭愧,含羞

50. aside from 除...外(还有)

51. ask for the moon异想天开

52. at a loss 茫然,手足无措

53. at a time 一次,每次

54. at all costs 不吝一切价值

55. at all events 不论如何,不管若何

56. at all times 随时,总是

57. at all 丝毫(不),一点也不

58. at any rate 不管若何,至少

59. at best 充其量,至少

60. at first sight 乍一看,初看起来

61. at first 最后,起先

62. at hand 在手边,在邻近

63. at heart 心坎可以上下分的电玩软件里,本质上

64. at home 在家,在国际

65. at intervals 不时,每隔...

66. at large 大多半,未被捕获的

67. at last 终究

68. at least 至少

69. at length 终究,终究

70. at most 至少,不逾越

71. at no time 从不,决不

72. at one time 曾经,一度;同时

73. at present 今朝,现在

74. at someone's disposal 任...处理

75. at the cost of 以...为价值

76. at the mercy of 听凭...支配

77. at the moment 此刻,今朝

78. at this rate 照此速度

79. at times 有时,间或

80. aware of 认识到

81. back and forth 往复地,反复地

82. back of 在...前面

83. back up 后备,增援

84. bare of 简直没有,缺乏

85. be able to do 能够

86. be around 差不多

87. be available to sb. 可用,可供

88. be bound to 必定

89. be capable of doing 能够

90. be concerned with 关怀…,涉足…

91. be dying to 欲望

92. be fed up with 受够了be tired of

93. be in hospital 住院

94. be in season 上市的/in peak season旺季可以上下分的电玩软件

95. be in the mood to do sth. 想做

96. be pressed for time时间不敷

97. be tied up with忙于

98. be under the weather 身材不好捕鱼电玩上下分

99. beat around the bush 拐弯没角

100. beat the crowd 避开人群