转眼便忘

what the eye doesn't see the heart doesn't miss (idiom)

see 轉文|转文[zhuai3 wen2]

to turn / to change direction / to transfer / to forward (mail) / (Internet) to share (sb else's content)

to revolve / to turn / to circle about / to walk about / classifier for revolutions (per minute etc): revs, rpm / classifier for repeated actions

in a flash / in the blink of an eye / to glance

eye / small hole / crux (of a matter) / CL:隻|只[zhi1],雙|双[shuang1] / classifier for big hollow things (wells, stoves, pots etc)

plain / informal / suitable / convenient / opportune / to urinate or defecate / equivalent to 就[jiu4]: then / in that case / even if / soon afterwards

used in 便宜|便宜[pian2 yi5] / used in 便便[pian2 pian2] / used in 便嬛[pian2 xuan1]

to forget / to overlook / to neglect