swim against the tide
US /swɪm əˈɡɛnst ðə taɪd/
UK /swɪm əˈɡɛnst ðə taɪd/

1.
nadar contra a corrente, ir contra a opinião geral
to go against the general opinion or trend; to do something that is not popular or goes against what most people are doing
:
•
He decided to swim against the tide and pursue a career in art, despite his family's expectations for him to become a doctor.
Ele decidiu nadar contra a corrente e seguir uma carreira em arte, apesar das expectativas de sua família de que ele se tornasse médico.
•
It's hard to swim against the tide when everyone else is doing the opposite.
É difícil nadar contra a corrente quando todo mundo está fazendo o oposto.