眼不见，心不烦

what the eye doesn't see, the heart doesn't grieve over (idiom)

no; not so / (bound form) not; un-

to see / to meet / to appear (to be sth) / to interview / opinion / view

to appear / also written 現|现[xian4]

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

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

to feel vexed / to bother / to trouble / superfluous and confusing / edgy

not to see / not to meet / to have disappeared / to be missing