To be disoriented; to lose one's sense of direction. A simile which appears in Buddhist scriptures to describe the nature of ignorance. See， for example in the Sutra of Perfect Enlightenment 圆觉经 （T 842.17.913b22）， in the Awakening of Faith 起信论 （T 1666.38.577a3 ff. and 579c23） and in the S/u^ram!gama-su^tra 首楞严经 （T 945.19.120b21-23）.