redoubler

to repeat a school year, to intensify, to redouble

ʁ ə . d u . b l e
re again; back + doubl to overtake, pass + er Infinitive
verb Rare #43,959
to repeat a school year In French, this means to do the same school year again.
FR: Elle va redoubler cette année.
EN: She’s going to repeat this school year.
to intensify, to redouble Often used in the phrase redoubler de + noun, as in redoubler d’efforts (to redouble one’s efforts).
FR: Il faut redoubler de prudence.
EN: We need to be extra careful.

Si vous êtes recalé à cet examen, vous devrez redoubler.

If you fail this exam, you’ll have to repeat the year.

Je ne peux pas redoubler une autre année.

I can't repeat another year.

— Better Days (2019)

T'aurais mieux fait de redoubler !

You would have been better off repeating the year!

— Y tu mamá también (2001)

Tu vas redoubler.

You’re going to repeat the year.

— Des étoiles sur la terre (2007)

Tu dois redoubler d'effort pour rattraper le temps perdu.

You’ll have to work twice as hard to make up for lost time.

Il n'est jamais trop tard pour redoubler de vigilance envers les humains.

It’s never too late to be extra vigilant around people.

— Arrietty, le petit monde des chapardeurs (2010)