concept [ˈkɔnsept] n. 概念

　　concern [kənˈsɜːn] v. / n. 涉及, 关心

　　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.

　　concert [ˈkɔnsət] n. 音乐会;演奏会

　　go to a concert

　　a live concert 现场演奏的音乐会

　　conclude [kənˈkluːd] v. 完成, 结束

　　1) 结束

　　conclude (sth)(with sth)

　　He concluded by wishing everyone a safe trip home.

　　2) 推断出

　　conclude sth from sth

　　What do you conclude from that?

　　conclusion [kənˈkluːʒ(ə)n] n. 结论;结束

　　draw /reach /come to a conclusion 得出结论

　　in conclusion 总之，最后

　　In conclusion, I would like to thank you.

　　concrete [ˈkɔŋkriːt] adj.明确的,具体的

　　concrete floor

　　concrete evidence

　　condition [kənˈdɪʃ(ə)n] n. 条件, 状况

　　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

　　They agreed to lend us the car on condition that (only if) we returned it before the weekend.

　　condemn [kənˈdem] v. 谴责, 指责, 宣判

　　(与to连用) 迫使…接受(困境)，使…注定

　　condemn sb/ sth for…

　　be condemned/ sentenced to… 被宣判......

　　conduct [ˈkɔndʌkt] vt. 引导, 带领

　　1) 引导，带领

　　conduct sb around sp

　　2) 实施，执行

　　conduct an experiment

　　3) 指挥

　　conduct a concert

　　4) 传导

　　conduct electricity

　　5) 举止，表现

　　conduct oneself

　　conduct n. 行为，举止

　　conductor [kənˈdʌktə(r)] n. 管理人;指导者;(车上的)售票员, 列车员;乐队指挥

　　confident [ˈkɔnfɪdənt] a. 自信的