55.command n.&v 命令，指挥，支配

　　at /by one’s commandget command of under one’s command

　　have a good command ofcommand sb.to do sth.

　　command that clause (should do)

　　56.comment n. 评论 make a comment on /about sth

　　vi comment on/ upon sth

　　57.commit犯, 干(坏事)等commit murder/ suicidecommit sb/ yourself to sth/ doing

　　commit yourself (to sth):You don’t have to commit yourself now, just think about it.

　　58.common a common mistake 常见错误;common practice 惯例; common sense 常识

　　have much/a lot/ little/nothing in common; in common with… 和……一样

　　59.communicate vt 传达，传递(想法，感情，思想等) communication n

　　He was eager to communicate his ideas to the group.

　　vi 与某人交流(信息或消息，意见等)，沟通 communicate with sb

　　60.companyu/n. 交往;陪伴c/n.公司 keep sb.company 陪伴某人

　　61.comparecompare…with… 把…和…比较 ; compare…to… 把…比作…

　　compared with/to (作状语) 与…相比Compared with/to other people, he is fortunate.

　　62.compensate 补偿,赔偿,弥补 compensate for sthcompensate sb for sth

　　63.compete vi 比赛，竞赛 competition n. compete with / against sb in sth for sth

　　64.complete adj.完整的v.完成、结束 a complete story 完整的故事

　　complete the projectcompletely adv. be completely destroyed 彻底毁坏

　　65.compromise妥协;折中，互让;和解

　　agree on a compromise make a compromise withby compromise

　　reach/ come to/ arrive at/ work out a compromise

　　66.compulsory强制的,义务的 It is compulsory for sb to do

　　It is compulsory for all motorcyclists to wear helmets. compulsory education/ schooling

　　compulsory purchase

　　67.concentrate v.集中(思想等) concentration n

　　I can’t concentrate with that noise going on.

　　concentrate (sth) on (doing) sth 集中…做…

　　I decided to concentrate all my efforts on finding somewhere to live

　　68.concern v

　　1) 让某人担忧 What concerns me is our lack of preparation for the change.

　　2) 与…有关be concerned with

　　3) 关心，挂念 be concerned about

　　4) 就…而言as far as sb is concerned n. show a /no concern about

　　concerning prep.关系到， 涉及

　　He asked me several questions concerning the future of the company.

　　69.concert 音乐会;演奏会 go to a concert a live concert 现场演奏的音乐会

　　70.conclude v

　　1) 结束 conclude (sth)(with sth) He concluded by wishing everyone a safe trip home.

　　2)推断出conclude sth from sthWhat do you conclude from that?

　　conclusion n. draw /reach /come to a conclusion 得出结论

　　in conclusion 总之,最后In conclusion, I would like to thank you.

　　71.concrete,明确的,具体的concrete floor concrete evidence

　　72.condemn vt.谴责;判刑;宣告……有罪(与to连用) 迫使…接受(困境)，使…注定

　　condemn sb/ sth for…condemn sb.to be condemned/ sentenced to…

　　73.condition 状况;条件

　　in good/excellent/bad/poor condition 处于良好/极佳/糟糕的状况

　　out of condition 不在状况; living conditions 生活条件

　　* on condition that (连词) 如果;条件是