相關(guān)單詞近義詞 keen 敏銳的, quick 迅速的, sharp 鋒利的, quick-witted 反應(yīng)霛敏的, on the ball 有準(zhǔn)備, bright 明亮的, intelligent 聰明的, smart 時(shí)髦的, clever 聰明的臨近詞sharp, sharp pen 返回 sharp-witted