betwixt and between
US /bɪˈtwɪkst ənd bɪˈtwiːn/
UK /bɪˈtwɪkst ənd bɪˈtwiːn/

1.
in an intermediate position or state; neither one thing nor the other
:
•
I'm feeling a bit betwixt and between about my career choices.
•
The decor of the room was betwixt and between modern and traditional.