get to grips with something
US /ɡet tə ɡrɪps wɪθ ˈsʌmθɪŋ/
UK /ɡet tə ɡrɪps wɪθ ˈsʌmθɪŋ/

1.
to begin to understand and deal with something difficult
:
•
It took me a while to get to grips with the new software.
•
She's trying to get to grips with the complexities of the legal system.