get your tongue around
US /ɡɛt jʊər tʌŋ əˈraʊnd/
UK /ɡɛt jʊər tʌŋ əˈraʊnd/

1.
prononcer, s'habituer à prononcer
to be able to pronounce a difficult word or phrase
:
•
I can't quite get my tongue around that German word.
Je n'arrive pas à prononcer ce mot allemand.
•
It took him a while to get his tongue around the new vocabulary.
Il lui a fallu un certain temps pour s'habituer à prononcer le nouveau vocabulaire.
2.
comprendre, saisir
to understand or comprehend something difficult or complex
:
•
It's hard to get your tongue around the concept of quantum physics.
Il est difficile de comprendre le concept de la physique quantique.
•
She struggled to get her tongue around the complex legal jargon.
Elle a eu du mal à comprendre le jargon juridique complexe.