修改的英文：
amend
alter

参考例句：

Overwork a speech.
过分地修改演说词

To change in form or character; alter.
变更在形式或特征上改变,修改

No bidder shall is permit to alter his bid after the bid have is open.
开标以后，任何投标人都不准再修改投标。

An attempt to modify a resource property failed because it conflicts with another existing property.
由于与另一个现有属性冲突，未能修改资源属性。

Work with the Director and staff in modifying weaknesses identified in the program reviews.
与校长及教师修改有关课程评估中所发现的问题

To correct and prepare(a manuscript,for example)for typesetting and printing.
交付排版对(手稿等)进行修改或做文字编辑工作以将其付排或付印

To alter(a legislative measure,for example)formally by adding,deleting,or rephrasing.
修正，修订通过增加、删减或重新措词来正式修改(如一种立法措施)

The Ministerial Conference, on the basis of the annual review, may extend, modify or terminate the waiver.
部长级会议根据年度审议情况,可延长、修改或终止该项豁免。

No unit and individual shall revise, daub, mark or break down the documents of company registration files.
任何单位和个人不得修改、涂抹、标注、损毁公司登记档案资料。

With some constitutional provisions, we tinker at our peril.
对于有些宪法上的规定，如果我们修改的话，就需要承担风险。

amend是什么意思：
v. 改良；修改，修正

To plead the fifth amendment or to take the fifth amendment
第五条修正案作为答辩

I move for an amendment.
本席提议一项修正案。

To forestall is better than to amend.
与其补救于已然，不如防患于未然。

The MP moved an amendment to the Bill.
那位下院议员动议修订该法案。

They decided to tack an amendment to the bill.
他们决定在议案中附加一个修正案。

alter是什么意思：
v. 改变，更改；改做（衣服）

He stepped upon the alter.
他走上圣坛。

Their attitude to me altered subtly.
他们对我的态度发生了微妙的变化。

Prices may be subject to alteration.
价格可能会有所变动。

Circumstances alter cases
此一时,彼一时

A small alteration,adjustment,or limitation.
更改小小的改变，调正或限制