65. at one’s back(=supporting or favoring sb.) 支持,维护; have sb. at one’s back 有…支持, 有…作后台
66. turn one’s back on sb. (=turn away from sb. in an impolite way) 不理睬(某人),背弃,抛弃
67. behind one’s back 背着某人(说坏话)
68. be based on / upon 基于
69. on the basis of 根据…, 在…基础上
70. beat…at 在…运动项目上打赢
71. begin with 以…开始. to begin with (=first of all) 首先, 第一(经常用于开始语)
72. on behalf of (=as the representative of) 以…名义
73. believe in(=have faith or trust in; consider sth./sb. to be true) 相信,依赖,信仰.
74. benefit (from) 受益,得到好处.
75. for the benefit of 为了…的利益(好处)
76. for the better 好转
77. get the better of (=defeat sb.) 打败, 胜过.
78. by birth 在出生上,论出身,按血统 at birth 在出生时; give birth to 出生
79. blame sb. for sth. 因…责备某人 . blame sth. on sb. 把…推在某人身上
80. in blossom开花(指树木) be in blossom开花(强调状态) come into blossom开花(强调动作)
81. on board 到船上, 在船上, 上火车或飞机
82. boast of (or about) 吹嘘 　　83. out of breath 喘不过气来
84. in brief(=in as few words as possible)简言之
85. in bulk 成批地,不散装的
86. take the floor 起立发言
87. on business 出差办事.
88. be busy with sth.于某事 。 be busy doing sth. 忙于做某事
89. last but one 倒数第二.
90. but for (=without) 要不是. 表示假设
91. buy sth. for…money 用多少钱买
92. be capable of 能够, 有能力
be capable of being +过去分词:是能够被…的
93. in any case(=for love or money, at any rate, at any price, at any cost, whatever happens; anyhow)无论如何
94. in case (=for fear that) 万一;
95. in case of (=in the event of)如果发生…万一
in the case of 至于…, 就…而言
96. in no case在任何情况下都不(放句首倒装句)
97. be cautious of 谨防
98. center one’s attention on(=focus one’s attention on) 把某人的注意力集中在…上
99. be certain of (=be sure of) 有把握, 一定.
100. for certain of (=for sure )肯定地,有把握地
101. by chance(=accidentally, by accident)偶然
102. for a change换换环境(花样等)
103. charge sb. with …控告某人犯有…
104. in charge of (=responsible for) 负责(某事)
in the charge of …由…管
105. take charge of (=to be or become responsible for)负责管理(照顾)
106. charge…for 因…索取(费用) , charge sb. with sth. 控告某人犯有…
107. round the clock(=all day and all night, usually without stopping) 昼夜不停地
108. comment on 评论
109. commit oneself to 使自己承担… commit sb. to prison把某人送进监狱; commit one’s idea to writing 把某人的想法写下来; commit a matter to a committee 把某事交给委员会讨论
110. in common (和…)有共同之处,共用.
be common to sb. 是与某人所共有的

111. keep company with (=be friendly and go out together) 和…要好.
112. compare…with … 把…与…比较
113. compare…to… 把…比作…
114. by comparison 比较起来
115. in comparison with (=in contrast to) 和…比起来
116. compensate for (=give sth. to make up for) 补偿, 赔偿,弥补 compensate sb. for sth. 赔偿,弥补
117. complain of (or about)抱怨;诉苦;控告;complain about 抱怨某人或事情; complain to sb. about sth. (or sb.) 向某人抱怨…; complain (抱怨); complement (补充); compliment (恭维)
118. comply with (=act in accordance with a demand, order, rule etc.) 遵守, 依从
119. conceive of (think of, imagine, consider) 想象,设想
120. concentrate on (or upon) 集中,专心
121. be concerned with (=about) 与…有关
122. concern oneself about / with 关心
123. in conclusion(=as the last thing)最后一点; at the conclusion of 当…结束时;
124. condemn sb. to 判决
125. on condition that (=if)以…为条件, 假如.
in that = because 因为;
now that = since 既然来源：考试大
for all that = although 尽管
126. in / out of condition (=thoroughly healthy or fit / not fit) 健康状况好/不好 . in good (bad) condition处于良好(坏)状态
127. confess(to)(=admit a fault, crime, or sth. wrong)承认, 供认;
confess to a crime 承认罪行.
128. confide in (=to talk freely to sb. about one’s secret) 对…讲真心话, 依赖
129. in confidence 推心置腹地;
with confidence 满怀信心地;
have confidence in 对…有信心
130. confidence in sb. / sth. 对…的信赖
131. be confident of 有信心;
confidential 机密的
132. confine…to… 把…限制在某范围内
133. confirm sb. in 使某人更坚定(信念等)
134. conform to (=be in agreement with, comply with) 符合,遵照,遵守;1)obey服从; 2) observe; 3)comply with照…办; 4)keep to遵循; 5)abide by服从;6)stick to按..做
135. be confronted with(=be brought face to face with) 面对, 面临
136. congratulate sb. on 祝贺
137. in connection with(=with regard to)关于,
138. be conscious of(=be aware of)觉察,知道
139. consent to(=give agreement to permission)同意
140. in consequence (=as a result) 结果