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 共4页1234
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
121. by hand 用手,用体力
122. by itself 自动地,独自地
123. by means of 用,依靠
124. by mistake 错误地,无意地
125. by no means 决不,并没有
126. by oneself 单独地,独自地
127. by reason of 由于
128. by the way 顺便说说
129. by virtue of 借助,由于
130. by way of 经由,通过...方法
131. call off取消
132. call on号召,邀请,点某人的名,拜访
133. capable of能够
134. careful of/about/with小心,注意
135. certain of /about确信,肯定