151．be content with (=be satisfied with ) 满足于 be content to do sth. 愿意做某事
152．contrary to (=in opposition to ) 与……相反
153．on the contrary 相反
154．contrast…… with 把……与……相对（对照）
155．in contrast to/with 和……形成对比 by contrast 对比之下
156．contribute to 有助于
157．under control （被）控制住 out of control 无法控制
158．at one's convenience (=where and when it suits one ) 在方便的时间或地点be convenient to / for 对……方便
159．convince sb. of (=cause sb. to believe or feel certain; to persuade sb.) 使某人确信，try to persuade sb. to do sth. 劝说某人做……
160．cope with (=deal with, try to find a solution to) 应付，处理
161．in the corner(of) 在角落里；on(at) the comer of a street 在街道拐弯处；round the comer 拐过弯；be in a tight corner 陷入困境
162．correspond (with) ( =exchange letters regularly ) 通信
163．correspond to 相当于 correspond with 符合，一致
164．at all costs不惜任何代价 at the cost of 以……为代价
165．a matter of course 理所当然的事
166．as a matter of course 当然地，自然地
167．in (during) the course 在……过程中
168．in due course (=without to much delay) 没经过太久，到一定时候
169．on credit 赊购；with credit 以优异成绩；to one's credit 使某人感到光荣；do sb. credit 使……感到光荣
170．be critical of爱挑毛病的，批评的