only have eyes for
US /ˈoʊnli hæv aɪz fɔːr/
UK /ˈoʊnli hæv aɪz fɔːr/

1.
solo tener ojos para, estar interesado solo en
to be attracted to only one person and not be interested in anyone else
:
•
Ever since they met, he's only had eyes for her.
Desde que se conocieron, él solo tiene ojos para ella.
•
Even with all the beautiful people at the party, she only had eyes for her husband.
Incluso con toda la gente guapa en la fiesta, ella solo tenía ojos para su marido.