between you and me
US /bɪˈtwin ju ænd mi/
UK /bɪˈtwin ju ænd mi/

1.
aramızda kalsın, gizlice
said when you are telling someone something confidentially
:
•
Just between you and me, I think he's going to resign.
Aramızda kalsın, sanırım istifa edecek.
•
What I'm about to tell you is strictly between you and me.
Sana söyleyeceklerim kesinlikle aramızda kalsın.