to not believe one's eyes
01
to find it difficult to believe what one has seen or heard
![to {not} [believe] {one's} (eyes|ears) definition and meaning](https://cdn.langeek.co/photo/46165/original/?type=jpeg "to {not} [believe] {one's} (eyes|ears) definition and meaning")
Idiom
Informal
例
When I saw the enormous cake they had baked for the party, I could n't believe my eyes.
The news of his unexpected promotion was so astonishing that I could n't believe my ears when I heard it.
