perform: actions that follow established patterns and procedure and fulfill agreed upon requirement and oft. connotes exceptional skill and experience: ~ gymnastics on the parallel bars（双杠）.
execute: STRESS carrying out what exists in design and intent: ~ the heist exactly as planned.
discharge: execution AND completion of duties and tasks: ~ his duties promptly and effectively.
accomplish: successful completion of tasks RATHER THAN means of carrying it out: ~ in a year what takes others a life time.
achieve: adds to accomplish the implication of conquered difficulties: a nation struggling to ~ greatness.
effect: stress the inherent power of agent of surmounting obstacles: personality that help to ~ reform.
fulfill: complete realization of duty, responsibility: a rare epic that ~ its ambitions.
perform表现: 做确定的(established)事,常需要技巧经验，execute执行: 强调已经计划设计好,discharge完成: 完成职责责任, accomplish成就: 成功完成这一结果而不强调方法,achieve成就: 比accomplish多了克服困难，effect实现: 强调内在克服障碍的能力，fulfill完全实现: 完全实现职责或愿望。
记忆方法: 1）这些是do的同义词，表示施行或实现，侧重点不同。 比较意思差别： D,A和F类似表示已经完成，P技巧经验，E根据计划，achieve困难，eff内在力量克服障碍。
2）这组词比较常用，但还没想好怎样联想法，可以先用RR。
3）行动的意思是实施或实现mean to carry out or into effect.
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