love affair
US /ˈlʌv əˌfer/
UK /ˈlʌv əˌfer/

1.
caso de amor, romance
a romantic or sexual relationship between two people who are not married to each other
:
•
He had a secret love affair with his colleague.
Ele teve um caso de amor secreto com sua colega.
•
Their love affair lasted for several years before they broke up.
O caso de amor deles durou vários anos antes de terminarem.
2.
caso de amor, paixão
a strong enthusiasm or passion for something
:
•
She developed a love affair with classical music.
Ela desenvolveu um caso de amor com a música clássica.
•
His love affair with painting began in his youth.
Seu caso de amor com a pintura começou na juventude.