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

1.
avere occhi solo per, essere attratto solo da
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.
Da quando si sono incontrati, lui ha occhi solo per lei.
•
Even with all the beautiful people at the party, she only had eyes for her husband.
Anche con tutte le belle persone alla festa, lei aveva occhi solo per suo marito.