cold adj. 冷，寒，凍;冰涼的; 冷靜的; n. 感冒，著涼，傷風(fēng) , 寒冷; (have(catch/get/ come down with) a cold 患感冒)
colleague n. 同事(colleage – partner同事, 合作者)，同僚;
collect v. 收集;聚集;(collect – gather – assemble聚集)
college n. 學(xué)院;大學(xué);學(xué)會(huì);
color n. <美>(=colour) 顏色v. 給……涂顏色;改變……的顏色;
colorful adj. 華美的;有趣的;生動(dòng)的;
combine v. (使)聯(lián)合;使)結(jié)合(be combined with/與……結(jié)合著);
come v. 來(lái);來(lái)(自);出生(于);開(kāi)始(come across/偶遇;碰到 (= come upon); come on/出現(xiàn);出場(chǎng);開(kāi)始come up with/想出(計(jì)劃、回答));
comfort n. 安慰;舒適;v. 安慰;使(痛苦等);緩和(give comfort to/安慰); comfortable adj. 舒適的;(easy – comfortable舒適的)
command n. 命令;掌握 v. 命令;指揮;博得;掌握(at [by] sb.’s command/聽(tīng)某人支配;under (the) command of/由……指揮;在……指揮之下);
commercial adj. 商業(yè)的，商務(wù)的(commercial depression/商業(yè)蕭條;commercial company/貿(mào)易公司);
commit vt. 犯(錯(cuò)誤);干(壞事);答應(yīng)負(fù)責(zé)(commit an error/做錯(cuò)事;commit a guilt/犯罪;commit suicide/自殺;commit a mistake/犯錯(cuò));
commodity(B) n. -ties 貨場(chǎng);商品;物品;(commodity – goods商品)
common adj. 共同的(common – shared共同的);普通的(common – normal – usual普通的)
communicate v. 溝通;通信;(房間、道路、花園等) 相通(communicate with/和……比較起來(lái));
compel vt. 強(qiáng)迫，迫使(compel sb. to do sth. /強(qiáng)迫某人做某事);(compel –force -oblige 強(qiáng)迫)
compete v. 競(jìng)爭(zhēng)(compete with /與……競(jìng)爭(zhēng);compete for/為……競(jìng)爭(zhēng));
competence n. 能力(competence – capability – capacity – ability能力);勝任(for; to do);
competition n. 競(jìng)爭(zhēng), 競(jìng)賽(competition – combat – contest競(jìng)爭(zhēng), 競(jìng)賽)
complain vi. 抱怨;埋怨(complain about/控訴;*);
complaint n. 訴苦，抱怨( make a complaint about/提出不滿意見(jiàn));
complete vt. 完成, 使完滿(complete – finish – accomplish完成)adj. 完全的;圓滿的 (complete – prefect圓滿的)
complex adj. 復(fù)雜的(complex – complicated復(fù)雜的)，合成的(complex – compound(B) 合成的)，綜合的;
component n. 成分adj. 組成的，構(gòu)成的
compose vt. 組成，構(gòu)成, 創(chuàng)作(詩(shī)歌，樂(lè)曲等)(be composed of – be made up of – consist of由...組成，構(gòu)成)
comprise v. 包含，由……組成; (comprise – include - contain– be composed of – consist of – be made up of包含，由……組成)
concentrate v. 集中，濃縮 concentrate one’s attention on/集中精力在某方面，專心于concentrate upon/集中在，專心于; (concentrate on – focus on使…集中于一點(diǎn) )
concept n. 觀念，概念(concept – notion概念;觀念);
concern vt. 涉及，關(guān)系到 n. (利害)關(guān)系，關(guān)心，所關(guān)心的事情as far as...be concerned/關(guān)于，至于，就……而言be concerned about/關(guān)心;
conclude v. 結(jié)束，終止, 作出結(jié)論vt. 推斷，斷定;