目から鱗の落ちる
also: めからウロコのおちる
Meanings
1
expression, noun-modifying (irregular)
revelatory; eye-opening
Idiomatic expression used prenominally to describe something that suddenly makes one see the truth, as if scales fell from one's eyes. Often modifies nouns like 思い, 体験, or 話.
See also: 目から鱗が落ちる
That book was a revelatory experience for me.
His explanation was an eye-opening story.