dumb[dʌm]adj.1.■(因生理缺陷或疾病等)哑的,不会说话的,无说话能力的2.■(因惊讶、恐惧、害羞或悲伤等)一时说不出话来的,暂时不能说话的,一时语塞的3.■沉默寡言的,无言的;不爱说话的,不愿说话的4.■没有发言权的5.■不响的;无声的,无音的,无言的;不用言语表达(或表演)的;打手势的,打哑语的6.■不声不响地做的7.■缺乏通常有(或应有)性能(或特性、特色)的;缺乏伴随物(或应备附属物或应有条件)的8.■[美国口语]愚蠢的,笨的,低能的,无知的,缺乏才智的9.■【航海学】(船)非自航的10.■【计算机】非智能的,无处理信息能力的,哑的[参较 intelligent]n.1.■[美国俚语]笨蛋,傻瓜vt.1.■使沉默;使麻木,使失去知觉:The sight of his former wife dumbed the words in his mouth.他一看见他的前妻,顿时感到语塞,说不出话来。to be dumbed by cocaine被可卡因麻醉vi.1.■变得沉默;变哑(up):The class dumbed up when the teacher asked a difficult question.老师问一难题时全班学生变得沉默无言。adv.1.■愚钝地近义词voiceless(as) dumb as an oyster (或 an,ox, a fish)很少讲话,沉默不语Dumb dogs are dangers.[谚语]哑巴狗危险;咬人的狗不叫。play dumb装聋作哑strike someone dumb (或 speechless)使某人哑口无言,使某人惊讶得目瞪口呆
dumbdumb[dʌm]adj.1.■哑的; 天生无说话能力的2.■不说话的; 沉默的3.■无言的; 无声的; 打哑语的4.■没有自推力的; 缺乏应有条件的5.■[美俚]愚笨的; 迟钝得让人恼火的6.■口齿不清的7.■政治上无发言权的; (在政府中)无代言人的be dumb from birth从生下来就不会说话a dumb child哑巴孩子a dumb show哑戏strike sb. dumb把某人吓得目瞪口呆They remained dumb at the meeting.他们在会上保持沉默。