62. at hand 在手边,在附近  

63. at heart 内心里,本质上  

64. at home 在家,在国内  

65. at intervals 不时,每隔...  

66. at large 大多数,未被捕获的  

67. at last 终于  

68. at least 至少  

69. at length 最终,终于  

70. at most 至多,不超过  

71. at no time 从不,决不  

72. at one time 曾经,一度;同时  

73. at present 目前,现在  

74. at someone's disposal 任...处理  

75. at the cost of 以...为代价  

76. at the mercy of 任凭...摆布  

77. at the moment 此刻,目前  

78. at this rate 照此速度  

79. at times 有时,间或  

80. aware of意识到  

81. back and forth 来回地,反复地  

82. back of 在...后面  

83. back up后备,支援  

84. bare of几乎没有,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一定  

89. be capable of doing能够  

90. be concerned with 关心…，涉足…  

91. be dying to渴望  

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  

95. be in the mood to do sth. 想做  

96. be pressed for time时间不够  

97. be tied up with忙于  

98. be under the weather 身体不好  

99. beat around the bush 拐弯没角  

100. beat the crowd 避开人群  

101. before long 不久以后  

102. behind schedule 误点  

103. bent on sth. 下定决心做…  

104. beside point 离题的,不相干的  

105. beyond one's ability超越某人的能力  

106. beyond question 毫无疑问  

107. book on reserve 须留的图书  

108. booked up 订完了  

109. bound for开往  

110. break down抛锚  

111. break though突破  

112. break up with和某人分手be through with / be finished with  

113. bring about 使…发生  

114. bring someone up to date帮某人赶上help someone catch up  

115. by accident 偶然  

116. by air 通过航空途径  

117. by all means 尽一切办法,务必  

118. by and by 不久,迟早  

119. by chance 偶然,碰巧  

120. by far 最,...得多