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. 哑的 unable to speak
2. [P]说不出话的 temporarily silent; refusing to speak
3. 愚蠢的 that was a pretty dumb thing to do

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. (哑)：有些歌曲,像<>、<>(dumb)、<>(PennyroyalTea)因为小样曝光,早已被做成盗版四处流传. 因此,柯特92年时就想制作新专辑,只是由于当时乐队三个人正好天各一方又心存别扭,而且柯妮还有孕在身,所以才拖到了现在.

2. 笨的：他们可能是聪明的(Smart),也可能是鲁笨的(dumb). 聪明的决策者接受到关于资产价格的信息,而鲁笨的决策者只能接受到噪音. 委托人,包括决策者本身并不知道A,B的类型,但在A,B做出决策后,委托人可以根据结果和决策修改.