believe (one's) ears
To trust what one has heard

[TahlilGaran] Dictionary of Contemporary English ▲

believe one's ears
to believe what one is hearing, to become sure of something
I could not believe my ears when I heard that I had won a holiday to Mexico.

[TahlilGaran] English Idioms Dictionary ▲

believe one's ears
v. phr.
1. To believe what one hears; trust one's hearing.
■ Used with a negative or limiter, or in an interrogative or conditional sentence.
He thought he heard a horn blowing in the distance, but he could not believe his ears.
2. To be made sure of (something).
Is he really coming? I can hardly believe my ears.

[TahlilGaran] English Idioms Dictionary ▲