go against
US /ɡoʊ əˈɡenst/
UK /ɡoʊ əˈɡenst/

1.
ir contra, opor-se a
to oppose or resist someone or something
:
•
It's hard to go against the wishes of your parents.
É difícil ir contra os desejos dos seus pais.
•
His actions go against everything I believe in.
As ações dele vão contra tudo o que eu acredito.