dumb的第三人称单数

1. 哑的，不能说话的
2. 愚蠢的，傻的，笨的
3. 一时说不出话的
4. 不肯开口的
5. 沉默的，无声的，无言的
6. 无音的，不响的
7. 打手势的，打哑语的
8. 口齿不清的
9. 无代言人的
10. 政治上无发言权的
11. 默默的

1. 砂眼
2. 呆哑症

1. 减少…的专业性教育内容
2. 降低…的标准
3. 使沉默

1. slow to learn or understand; lacking intellectual acuity;

   "so dense he never understands anything I say to him"
   "never met anyone quite so dim"
   "although dull at classical learning, at mathematics he was uncommonly quick"
   "dumb officials make some really dumb decisions"
   "he was either normally stupid or being deliberately obtuse"
   "worked with the slow students"
   

2. temporarily incapable of speaking;

   "struck dumb"
   "speechless with shock"
   

3. lacking the power of human speech;

   "dumb animals"
   

4. unable to speak because of hereditary deafness

1.哑的;不能说话的
Someone who isdumb is completely unable to speak.

e.g. ...a young deaf anddumb man.
年轻的聋哑男子

2.(在某种场合下因愤怒或惊讶而)说不出话的,哑口无言的
If someone isdumb on a particular occasion, they cannot speak because they are angry, shocked, or surprised.

e.g. We were all struckdumb for a minute.
一时间我们惊讶得哑口无言。

3.(人)愚蠢的,傻的,笨的
If you call a persondumb, you mean that they are stupid or foolish.

e.g. I've met a lot ofdumb people...
我遇到过很多笨蛋。
e.g. The questions were set up to make her lookdumb.
问题这么设计，就是为了让她出丑。

4.愚蠢的;令人心烦的;令人恼火的
If you say that something isdumb, you think that it is silly and annoying.

dumb

e.g. I came up with thisdumb idea...
我想出了这个馊主意。
e.g. It's the media that'sdumb.
让人恼火的是媒体。

5.无声的;无言的;不用言语表达的
Something that isdumb is done or expressed without words.

e.g. An expression ofdumb recognition wiggled across her features.
她不语，从她脸上掠过的一丝表情可知她是认得的。

相关词组：dumb down

1. She is very kind to the dumb children.
   她对哑童非常好。
2. This is a dumb mistake.
   这是一个愚蠢的错误。

1. He was dumb.
   他是哑的。

1. He is dumb on the subject.
   他对这个问题表示沉默。
2. He was dumb with astonishment.
   他吃惊得说不出话来。

1. It was dumb of you to say that.
   你说这种话太愚蠢了。

1. The terrible news struck us all dumb.
   可怕的消息吓得我们目瞪口呆。

• Its thunder made the cataracts dumb.

  出自：Shelley

• The streets are dumb with snow.

  出自：Tennyson

• Having to translate his work into dumbed-down metaphors for the shiny-shoe set.

  出自：P. Bronson

1. dumb作“哑的”解时无比较等级。