光阴如箭

Explanation: Time: time. An arrow of time, quickly passing. Describe the time flies fast. 　　Source: Tang Wei Village "off the river" poem: "See, however, time flows like arrows, bow turned out songs like Heaven." 　　Examples: ~ Death is difficult to recover, a few hundred can laugh back. (Ming Lu mining "Huai Hong Kee glimpse of blue phase-locked")