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
【责任编辑：Xiaoxu】
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