speak out
US /spiːk aʊt/
UK /spiːk aʊt/

1.
se manifestar, falar abertamente
to state one's opinion publicly and loudly, especially in protest or defense
:
•
It's important to speak out against injustice.
É importante se manifestar contra a injustiça.
•
She decided to speak out about the corruption she witnessed.
Ela decidiu se manifestar sobre a corrupção que testemunhou.