speak your mind
US /spiːk jʊər maɪnd/
UK /spiːk jʊər maɪnd/

1.
decir lo que se piensa, hablar claro
to say exactly what you think, even if it is not polite or may offend someone
:
•
She's not afraid to speak her mind, even to her boss.
Ella no tiene miedo de decir lo que piensa, incluso a su jefe.
•
If you want to change things, you need to speak your mind.
Si quieres cambiar las cosas, necesitas decir lo que piensas.