150．to one’s heart’s content 尽情地，痛痛快快   
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