dumb

/dʌm/📚 4712 24 1四级六级考研托福雅思
Someone who is dumb is completely unable to speak. 哑的

adjective [原级]哑的,不能说话的;一时说不出话的,不肯开口的;<非正式>愚蠢的;(计算机终端)简易的

We were all struck dumb for a minute.
我们一时个个都哑口无言。

verb [vt. 及物动词]使通俗化;<文>使变哑,使沉默

That was a pretty dumb thing to do.
做那样的事太愚蠢了。

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