catch up on
US /kætʃ ʌp ɑːn/
UK /kætʃ ʌp ɑːn/

1.
rattraper, mettre à jour
to do something that you have not been able to do recently and that you need to do
:
•
I need to catch up on my sleep this weekend.
Je dois rattraper mon sommeil ce week-end.
•
She spent the afternoon catching up on her emails.
Elle a passé l'après-midi à rattraper ses e-mails.
2.
prendre des nouvelles, se mettre au courant de
to learn or hear about the latest news or information about someone or something
:
•
Let's meet for coffee and catch up on all the gossip.
Retrouvons-nous pour un café et mettons-nous au courant de tous les potins.
•
I called my friend to catch up on her news.
J'ai appelé mon amie pour prendre de ses nouvelles.