这些动词均含“纠正，改正”之意。

correct : 指纠正或改正不正确、不真实或有缺点的东西。
◾Students said it was helpful if the teacher corrected their pronunciation.
学生们说老师纠正他们的发音错误会对他们很有帮助。
◾I have 30 homework assignments to correct.
我有30份家庭作业要阅改。

rectify : 正式用词，意义较抽象，侧重指彻底改正偏离子正确标准或规则的东西。
◾I am determined to take whatever action is necessary to rectify the situation.
我决心采取一切必要的措施来整顿局面。
◾Every effort is made to rectify any errors/mistakes before the book is printed.
在书付印前会尽力去审校修改书中的错误。

remedy : 正式用词，通常指在局部范围内进行纠正，尤指对困难或棘手问题的解决。
◾This mistake must be remedied immediately.
这一错误必须立即予以纠正。

revise : 指通过仔细阅读、反复思考后而进行改正、订正或修订，使趋于完善。
◾His helpfulness today has made me revise my original opinion/impression of him.
他今天所表现出的乐于助人的品质使我改变了对他的最初看法／印象。
◾His publishers made him revise his manuscript three times.
出版公司让他把手稿修改了3次。

amend : 书面语用词。指进行更正或改变，使之更好，符合更高的要求。
◾MPs were urged to amend the law to prevent another oil tanker disaster.
下院议员们被敦促修订该法律，以防止油轮泄漏灾难再次发生。
◾In line 20, "men" should be amended (= changed) to "people".
第20行中的 men 应改为 people。
◾Until the constitution is amended, the power to appoint ministers will remain with the president.
在宪法修正之前，总统仍然有权任命部长。

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