牛角挂书 Save Sign in to save words Traditional (Taiwan): 牛角掛書 niújiǎoguàshū ㄋㄧㄡˊ ㄐㄧㄠˇ ㄍㄨㄚˋ ㄕㄨ lit. to hang one's books on cow horns (idiom) fig. to be diligent in one's studies Character by character 牛(niú)surname Niu 角(jiǎo)angle 挂(guà)hang 书(shū)book A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0