contract
　　n.~(with sb.)(for sth./to do sth.)合同，契約enter into/make/sign a contract(with sb.)(與某人)簽合同 vi.①縮小，收縮The economy has contracted by 2.5%.經濟收縮了2.5%。②訂合同，訂契約The city contracted for a library with their firm.市政當局和他們公司訂立了修建圖書館的合同。vt.①感染(疾病)，染上(惡習)I contracted a cold.我得了感冒。②訂(約)
　　辨析distract contract subtract
　?、賒istract v.分神，打擾;擾亂，迷惑。
　?、赾ontract v.收縮;訂約，簽合同。
　?、踫ubtract v.減去，扣除。

　　contradiction
　　n.①矛盾，不一致; 自相矛盾的說法a contradiction between her words and actions言行不一致②否認，反駁The boss will not tolerate any contradiction.老板不能容忍頂嘴。
　　真題例句：There is no contradiction in my going on to say that a teacher should be a bit of an actor.(2003.6看短文回答問題)
　　譯文：這與我要說的教師應該有點表演的技能并不矛盾。

　　convention
　　n.①習俗，慣例= custom：It is silly to be a slave to social conventions.對社會習俗盲從是愚蠢的。②公約，協議= treaty：conclude a military convention締結軍事協定③(正式)會議，(定期)大會hold a convention 召開大會
　　真題例句：It is important to distinguish between the rules of grammar and the conventions of written language.(2003.9詞匯63題)
　　譯文：區別語法規則和書面語習慣用法很重要。

　　conversation
　　n.~(with sb.)(about sth.)談話，交談He was deep in conversation with his accountant.他與會計深入交談。

　　conversely
　　ad.相反(地)In real life, nobody was all bad, nor, conversely, all good.在現實生活中，并不是所有人都壞，相反也不是所有人都好。

　　convict
　　vt.~ sb.(of sth.)(經審訊)證明……有罪，宣判……有罪The criminal was convicted of murder.歹徒被判謀殺罪。 n.囚犯The escaped convict has been caught by the police again.越獄的逃犯已經再次被警方抓獲。

　　conviction
　　n.①~(that…)確信，堅定的信仰religious/political convictions宗教/政治信仰 ②說服，信服Her words carried conviction.她的話令人信服。③定罪，判罪They have no previous convictions.他們沒有前科。

　　correct
　　a.①正確的，對的= right：Do you have the correct time? 你的表準嗎?②合適的，符合的，得體的Such casual dress would not be correct for a formal occasion.這樣的便服不宜在正式場合穿。vt.改正，糾正;指出(某人)的錯誤或過失correct my pronunciation矯正我的發音