[]　

a. 哑的, 不说话的, 无声音的
【医】 哑的

dumb as an oyster 很少讲话, 沉默不语
dumb as an ox 很少讲话, 沉默不语
dumb as a fish 很少讲话, 沉默不语
as dumb as an oyster 很少讲话, 沉默不语
as dumb as an ox 很少讲话, 沉默不语
as dumb as a fish 很少讲话, 沉默不语
strike sb. dumb 使某人哑口无言, 使某人惊讶得目瞪口呆
strike sb. speechless 使某人哑口无言, 使某人惊讶得目瞪口呆

[美俚]愚笨的; 迟钝得让人恼火的

dumb millions dumb aerial dumb waiter dumb stuck dumb contact dumb show dumb arch dumb barge dumb things dumb piano dumb as a fish dumb-bidding dumb rabies dumb-bell dumb-madness dumb iron dumb antenna dumb perosn