笨 形容词1.(能力差; 不聪明) stupid; dull; foolish 笨人 a stupid person; fool; ignoramus; 愚笨 stupid; 脑子笨 stupid; slow-witted2.(不灵巧; 不灵活) clumsy; awkward 嘴笨 clumsy of speech; 他的一双手很笨。 he is clumsy with his hands.3.(费力气的; 笨重的) cumbersome; heavy; awkward; unwieldy 粗笨 heavy and awkward; 家具太笨, 搬起来很不方便。 the furniture is too cumbersome to move