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

1.
直言不諱, 說出心裡話
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.
她不怕直言不諱,即使是對她的老闆。
•
If you want to change things, you need to speak your mind.
如果你想改變事情,你需要直言不諱。