学习资料

[意       思]adj. 哑的
[例]  She's been dumb from birth.她生来就是哑巴。
adj. 沉默寡言的，不愿说话的
[例]  She was struck dumb with fear. 她害怕得说不出话。

更多意思

adj.1.  哑的，不能说话的
2.  一时说不出话的，不肯开口的
3.  愚蠢的，傻的，笨的

参考例句

1.	Being deaf and dumb makes communication very difficult.
	又聋又哑很难与人交往。
2.	She's been dumb from birth.
	她生来即哑。
3.	They begged him to explain, but he remained dumb .
	他们请求他解释,但他保持沉默不语。
4.	That was a pretty dumb thing to do.
	那件事干得可真蠢。
5.	The deaf and dumb use finger language to express their ideas.
	聋哑人用手势语表达思想。