smart 聪明的;

intelligent 聪明的、理解力强的;

shrewd 精明的;

tack 老练、机智;

acute 敏锐的;

exquisite 灵敏的;

knowledgeable 有见识的。

【各种愚蠢】

silly 傻的;

stupid 愚蠢的;

clumsy 笨拙的;

awkward 笨拙的、尴尬的;

fatuous 愚昧的;

idiotic 愚蠢的;

blunt 迟钝的。