swot up
US /swɑːt ʌp/
UK /swɑːt ʌp/

1.
potasser, bachoter
to study something very hard, especially for an examination
:
•
I need to swot up on my history before the test.
Je dois potasser mon histoire avant l'examen.
•
She spent the whole weekend swotting up for her medical exams.
Elle a passé tout le week-end à potasser pour ses examens de médecine.