1. at intervals 不时；相隔一定距离 2. at large 逍遥法外；在逃；一般说来；详细地 3. at last 终于；卒；果；算是 4. at least 至少；无论如何；反正 5. at length 终于；最后；充分地；详尽地 6. at most 最多；至多；充其量 7. at no time 从不；决不；在任何时候都不 8. at one's best 处于最佳状态 9. at other times 平时；在别的时候；在另外的一些场合中 10. at present 目前；现在；时下；现下；此时 11. at someone's disposal 供某人支配 12. at sight of 看见；看到 13. at the cost of 以...为代价 14. at the instance of 应…之请；经…的提议 15. at the latest 至迟；最迟 16. at the moment 当时；此刻；现在；目前 17. at the same time 同时；尽管如此 18. at this rate 这样地话；这样地 19. at times 有时；间或 20. at worst 在最坏的情况下 21. attach to 附在…上；系在…上 22. attend to 注意；专心于；照料 23. back and forth 来回地；一来一往 24. back down off 放弃；让步；退却 25. back of 在…后面；在…背后 26. back out of 收回(诺言等) 27. back up 后备；支援 28. bare of 缺乏；没有；缺少 29. based on 以 ... 为基础；基于 30. be able to do 能够做 31. be about to 刚要；即将 32. be absorbed in 专心致力于… 33. be accustomed to 习惯于 34. be acquainted with 熟悉；知道；与...相识 35. be addicted to 沉溺于；嗜好；一心在 36. be adequate for 适用于 37. be all ears 洗耳恭听；全神贯注地倾听着 38. be bound for 开往；准备到…去 39. be bound up in 紧紧束缚于；埋头于；热中于 40. be busy with 忙于… 41. be caught up in 对…入迷；被缠住；卷入 42. be cautious of 当心…；谨防… 43. be certain of 确信；对…有把握 44. be concerned with 牵涉到；与…有关；参与；挂念；担心 45. be considerate of 体谅…；替…着想 46. be disgusted with 讨厌…；嫌弃… 47. be eager for sth. 渴求某事物 48. be essential to 对…必不可少的 49. be familiar to 为…所熟悉 50. be familiar with 熟悉；通晓；精通 51. be fed up with 吃得过饱；感到厌烦 52. be fond of 爱好；喜欢 53. be friends with 对…友好(和…交上朋友) 54. be full of 充满, 有很多的 55. be generous in 乐于 56. be good at 擅长于 57. be hard on 对…苛刻；使…极为难堪 58. be hard up for money 缺钱；手头紧 59. be ignorant of 不知道；不了解 60. be in fashion 合乎时尚潮流；在流行 61. be in for 免不了遭受；参加(竞赛、考试等) 62. be in love with 与…相爱 63. be in the habit of 有…的习惯 64. be located in 位于；坐落于 65. be occupied in 从事 66. be on a diet 节食 67. be on the advance (物价)上涨 68. be out of style 不合时式；不时髦 69. be qualified to 能胜任… 70. be remarkable for 以…而著称 71. be rid of 摆脱 72. be satisfied with 对…感到满意 73. bear away 夺取；拿走 74. bear in mind 记住 75. beat up and down 来回奔走 76. before long 不久以后 77. begin with 始于；以…为起点 78. behind schedule 晚点；比预定计划（时间）晚 79. believe in 相信；信任 80. beyond control 无法控制；难以控制 81. beyond question 毫无疑问；确定无疑 82. blow one's top 大发脾气 83. blow over 平息；停止；被忘掉 84. boast of 夸耀；自夸；吹牛 85. break away 消散；拆毁；脱开；离开 86. break into pieces 成为碎片；打碎 87. break into 闯入；突然发出；迸发；打断 88. break one's word 不守诺言 89. break the ice 打破沉默；着手做…事 90. break through 突破；突围 91. break up 结束，散会；解散；关系破裂 92. bring back 带回来；使记起；使恢复 93. bring forth 产生；发表；提出 94. bring into action 使行动起来 95. bring into operation 实施；使生效；使运转 96. bring to life 叫醒；使…精力充沛；使苏醒 97. bring together 使和解；调停；使靠拢 98. build up 建立；逐步增长；增进 99. burn down 把…夷为平地 100. burst into 闯入；突然发作