take up the cudgels
US /teɪk ʌp ðə ˈkʌdʒəlz/
UK /teɪk ʌp ðə ˈkʌdʒəlz/

1.
tomar as dores de, defender vigorosamente
to defend someone or something vigorously
:
•
She decided to take up the cudgels for her colleague who was unfairly dismissed.
Ela decidiu tomar as dores do colega que foi injustamente demitido.
•
It's time for someone to take up the cudgels against this injustice.
É hora de alguém tomar as dores contra essa injustiça.