出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第291页（252字）
指有本事的人，故做愚笨，例别看他对任何事都不表示意见，就以为他什么都不懂，其实他是大巧若拙而已。
Just because he never expresses his ideas about matters，you think he is an ignorant person．Oh no!You know the proverb，"He who knows most says the least!"