浮光掠影

flickering light and passing shadows (idiom) / blurred scenery / cursory / superficial

to float / superficial / floating / unstable / movable / provisional / temporary / transient / impetuous / hollow / inflated / to exceed / superfluous / excessive / surplus

light / ray / CL:道[dao4] / bright / only / merely / to use up

to take over by force / to rob / to plunder / to brush over / to skim / to sweep

picture / image / film / movie / photograph / reflection / shadow / trace