过目成诵

1.not forget after having run the eye over...; can recite after taking a cursory glance; can recite a passage after one perusal; can remember whatever one sees; can remember what one has once read; can repeat after seeing once; (He) can repeat anything (he) has once read.; gifted with an extraordinarily retentive memory; He was so quick that he learnt the books by merely reading them once over.; One never forgot what one had once learned.; remember it like this after only one reading