the other way around
US /ði ˈʌðər weɪ əˈraʊnd/
UK /ði ˈʌðər weɪ əˈraʊnd/

1.
o contrário, ao contrário
the opposite of what has been said or what is expected
:
•
I thought he was helping her, but it was the other way around.
Eu pensei que ele estava ajudando-a, mas era o contrário.
•
Sometimes the students teach the teachers, rather than the other way around.
Às vezes os alunos ensinam os professores, em vez de o contrário.