dumb

adj.哑的; 不能说话的; 一时说不出话的; 不肯开口的; 愚蠢的; 傻的; 笨的vt.使沉默 现在分词：dumbing最高级：dumbest过去式：dumbed比较级：dumber 牛津词典 adj. 哑的；不能说话的unable to speakShe was born deaf and dumb .她天生又聋又哑。 一时说不出话的；不肯开口的temporarily not...