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

1.
s'exprimer, dénoncer
to state one's opinion publicly and loudly, especially in protest or defense
:
•
It's important to speak out against injustice.
Il est important de s'exprimer contre l'injustice.
•
She decided to speak out about the corruption she witnessed.
Elle a décidé de dénoncer la corruption dont elle a été témoin.