plot: implies careful foresight in planning a complex scheme: foiled an assassination ~.  （plan计划implies mental formulation and sometimes graphical representation of method or course of action头脑中形成(即想出)的方法或行动路线，如studied the plan for the proposed industrial park研究了提议的工业园区(规)计划，如the three leaders had worked out a peace plan3位领导人已制订出了和平方案） （scheme也是计划图谋，但表示有自私或狡诈的目的stresses calculation of the end in view and may apply to a plan motivated by craftiness and self-interests，如a scheme to swindle senior citizens of their savings诈骗老年人存款的计划计谋）  （plot有3个意思 1、故事情节 2、在图表上绘制 3、密谋，如someone plotted to overthrow the government密谋推翻政府，可见三个意思都和预见foresight有关）   plan和plot谐音


intrigue: suggests secret underhanded maneuvering in an atmosphere of duplicity: finagled the nomination by means of by means of back-room ~.   (underhanded欺诈秘密的不光明磊落的，是aboveboard光明正大诚信的反义词，如underhanded financial deals秘密的或欺诈的金融交易）   （duplicity两面派行为、欺诈==being deceitful，如Trump calls Trudeau 'two-faced' after video shows leaders apparently mocking him嘲笑川普的视频曝光后，川普说特鲁多是二面人，川普的意思就是duplicity，只是盟友间这样说话太重，换成了two-faced的说法，来自词根DI/DUP表示2，如复制duplicate）    解释中3个词首字母sum


machination: implies a contriving of annoyance, injuries, or evils and imputes hostility or treachery to the contrivers: through ~s she pieced together a publishing empire. 又如the machinations of his enemies他敌人的阴谋诡计   （contrive和devise和都表示设计一个方法to find a way to do or achieve something，contrive强调灵巧聪明cleverness and ingenuity，devise则强调用脑思考mental effort，contrive更多褒义，但意思接近，使用时可以不区分，在2018-09-19 设计contrive-concoct组）  treachery背叛，表示很轻易就背叛他人，同一组的perfidy更进一步，表示无法忠诚，在2017-05-16 不忠faithless-perfidious组


conspiracy: implies a secret agreement among several people, often, but not always, involving treason or great treachery: a ~ of oil companies to set prices.  叛国  如they conspired to overthrow the government/commit murder他们阴谋(密谋、串谋)推翻政府/谋杀，如阴谋论a theory that explains an event or situation as the result of a secret plan by usually powerful people or groups该理论认为某一事件是秘密计划的结果，如conspiracy theories sprung up soon after the leader's assassination领导人遇刺不久就出现了阴谋论的说法


cabal: typically applies to intrigue, often involving persons of some eminence, to accomplish some end favorable to its members injurious to those affected: the infamous ~ against General Washington.   这个词可以表示计划，也可以表示参与计划的人，因此例句可以有2种解释


plot密谋: 指小心地周密地预先计划图谋，intrigue诡计: 表示秘密地运作，气氛诡诈，machination阴谋诡计: 表示恶意伤害背叛他人，有敌意，conspiracy串谋: 指多人的秘密计划，有时表示严重背叛甚至叛国，cabal阴谋集团: 指有一定声望的人秘密计划，对其成员有利，但对他人有害


记忆方法: 1）首字母PIMCC想成中国人民保险公司PICC经理Manager<==阴谋不理赔

         2）练习一下

         3）阴谋的意思是秘密计划伤害背叛他人mean a plan secretly devised to accomplish an evil or treacherous end.首字母PIMCC想成中国人民保险公司PICC经理Manager<==阴谋不理赔