1. 改变，改动，改换，修改，更改
2. 阉割，去势
3. 改建（房屋）
4. 改做（衣服）
5. 变老
6. 给（雄性动物）去势
7. 给（雌性动物）割去卵巢
8. 变样，变化，改变
9. 减损

1. vt. & vi. 改变,更改 become different; change; make sth different

1. cause to change; make different; cause a transformation;

   "The advent of the automobile may have altered the growth pattern of the city"
   "The discussion has changed my thinking about the issue"
   

2. become different in some particular way, without permanently losing one's or its former characteristics or essence;

   "her mood changes in accordance with the weather"
   "The supermarket's selection of vegetables varies according to the season"
   

3. make an alteration to;

   "This dress needs to be altered"
   

4. insert words into texts, often falsifying it thereby

5. remove the ovaries of;

   "Is your cat spayed?"
   

1. My opinion on that question has never altered.
   我对那个问题的看法始终没有改变过。
2. He has altered not very obviously.
   他的变化不算很大。
3. She has altered much older than before.
   她变得比以前更老了。
4. His appearance has altered a great deal.
   他的容貌变了许多。
5. As times alter, men's affections change.
   时过境迁。

1. She is trying to alter the coat.
   她正设法改那件衣服。
2. He alters his face suddenly.
   他突然变了脸。
3. The little boy altered his behaviour.
   这个小男孩儿改变了态度。
4. The plane altered course.
   飞机改变了航向。
5. But nothing can alter the facts.
   但是事实是改变不了的。
6. Measures must be taken to alter the situation.
   必须采取措施来改变目前的情况。
7. The tailor can alter your new coat to fit you.
   裁缝会将你的新上衣改得合你的身的。
8. Eaker would alter his behaviour to make you satisfy.
   埃克会改变他的行为而令你高兴的。
1
9. The arrangement can be altered at any time.
   这一安排随时可以改变。

alter to〔into〕 (v.+prep.)

改变为,更改为 become different; change; make sth different
alter sth to〔into〕 sth

We have to alter the house into a barn.

我们不得不把房子改建成谷仓。

The bright boy altered it to a circular form.

这个聪明的男孩把它改成了圆形。

• There is no power in Venice Can alter a decree established.

  出自：Merchant of Venice,Shakespeare

• Marriage was to alter her fortunes rather than her character.

  出自：E. M. Forster

• She was altering the lace on a collar.

  出自：J. Galsworthy

• Being with Alec had altered her idea of what became her.

  出自：L. P. Hartley

Other projects came up and the emphasis of my work altered.

突然来了一些其他的项目，我的工作重点便转移了。

Computers allow the plans to be fine-tuned and to be altered quickly.

计算机使得这些图样能够得到细调，并且可以迅速更改。

The altered landscape looks unnatural and weird.

改造后的景观看起来很不自然，极其怪异。

The bright boy altered it to a circular form.

这个聪明的男孩把它改成了圆形.

The ship has altered its course.

这艘船改变了航线.

Their attitude to me altered subtly.

他们对我的态度已隐隐约约地有所改变.

He altered his face all at once.

他突然变了脸.

My new pair of pants is being altered.

我的新裤子正在修改.

I haven altered or left out a thing.

我一点了没改动,一点也没删除.

Facts cannot be altered; lies must be exposed.

事实不容篡改, 谎言必须戳穿.

This coat should be altered.

这件外套应该改改.

And if the facts say otherwise then the facts must be altered.

如果事实不是如此,那么就必须窜改事实.

With the development of machine production, however, the case was altered.

但是由于机器生产的发展, 情况就改变了.

Her feelings were her own, and could not be altered from outside.

她有自己的爱憎, 不受外界的影响.

The past couldn be altered, the only thing was to carry on.

他没法矫正过去的一切, 那么只好顺着路儿往下走吧.

1. alter常表示局部或表面的改变或变动,改变的范围或程度较小,而本质特性并未发生变化。
2. alter可用作不及物动词,也可用作及物动词,用作及物动词时,接名词或代词作宾语。