arduousness (n) (effort) | difficulté (f) (n) (effort) |
arduousness (n) (effort) | peine (f) (n) (effort) |
arduousness (n) (effort) | dureté (f) (n) (effort) |
arduousness (n) (effort) | fatigue (f) (n) (effort) |
arduousness (n) (effort) | accablement (m) (n) (effort) |