过眼烟云

Explanation: The clouds drifting across from the front. Original metaphor worldly possessions, do not attach importance to. Disappear soon after the analogy of things. 　　Usage: Partial official; as predicate, adverbial; for things 　　Source: Su Song, "Po-painted church in mind": "analogy of the clouds over the eyes, ears, sense of birds, would not readily accept the, to not read too complex." 　　Examples: On the subject of great wealth, the original, but is ~. (Cao Xueqin, "Dream of Red Mansions," the 118th back) 　　Riddle: Leer sunset dip Thesaurus:  Shortsighted view Thin knowledge, Improvidence Few knowledge, limited outlook, Few see fresh news, Smoke over eye, Clouds over eye