redoubler

redoubler de

ramp up

J'ai redoubler

I redouble

Il doit redoubler

The commodity structure of exports is very concentrated.

Redoubler d'effort

Stepping up our efforts

redoubler d'éffort

redouble our efforts

redoubler d'efforts

ramp up efforts

redoubler à l'école

intensify at school

redoubler de vigilance

to raise our guard