ardu
Meanings
Adjective
1. steep (of a near-vertical gradient) (literally)
2. arduous, needing or using up much energy, difficult (figuratively)
Examples5
La situation devient ardue.
The situation is becoming arduous.
Ce fut un combat ardu.
It was an uphill struggle.
Il est ardu d'enseigner aux gens ce qu'ils ne veulent pas apprendre.
It's difficult to teach people what they're unwilling to learn.
Apprendre l'anglais est ardu, mais ça vaut le coup.
Learning English is difficult, but it’s worthwhile.
Ça a été un combat ardu.
It was an uphill struggle.