常常可以看到“人世沧桑，弹指一瞬”、‘’黄金时代，刹那即逝”、“一念之差，终成大祸”、“国际风云，瞬息万变”等成语。谁都知道这些成语是形容时间很快过去的意思。但它们起源于何、表示何意？却不一定尽人皆知。古代计时有更梆、柱香、半晌、一晌等等单位。佛家有另外 Often you can see idioms such as “Vicissitudes of life, a snap,” “The Golden Age, a fleeting moment,” “a bad idea, and finally a disaster,” “the international situation, ever-changing,” etc. Everyone knows these idioms describe time Past meaning .However, they originated from, what meaning? But not necessarily well-known .Ancient timing has more, incense stick, a long while, an hour and so on.Professor has another