get to grips with

verb3

1. •
   (UK) To deal (with something) decisively, or to confront (it) head on.
2. •
   (UK) To gain an understanding (of something).
3. •
   (UK) To battle (with something).

   • Estonia were struggling to get to grips with the game while Ireland were showing a composure and guile that demonstrated their experience in play-off ties. — 2011