在线词典不知天高地厚不知道天有多高,地有多深。形容骄狂无知。拼音bù zhī tiān gāo dì hòu解释不知道天有多高,地有多深。形容骄狂无知。近义词不知深浅、不知利害反义词谦虚谨慎英文释义not to know the immensity of heaven and earth; an exaggerated opinion of one's own abilities