keep your own counsel
US /kiːp jʊər oʊn ˈkaʊn.səl/
UK /kiːp jʊər oʊn ˈkaʊn.səl/

1.
je eigen raad houden, je mond houden
to keep one's thoughts, plans, or intentions private; to not share one's opinions or decisions with others
:
•
It's often wise to keep your own counsel in sensitive negotiations.
Het is vaak verstandig om je eigen raad te houden bij gevoelige onderhandelingen.
•
She decided to keep her own counsel about her future plans.
Ze besloot haar eigen raad te houden over haar toekomstplannen.