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290页（209字）
形容一个字也不识，例孙二虽是个目不识丁的大老粗，但热心助人，颇得邻居们的喜欢。
Though sun Er is an illiterate rough and ready fellow，he loves helping others and is thus well liked by his neighbours．