laforce

Il n'a plus la force de marcher.

He no longer has the strength to walk.

La force du vent a casse plusieurs arbres.

The force of the wind broke several trees.

Elle a beaucoup de force de caractere.

She has a lot of strength of character.

Il a la force de porter cette caisse tout seul.

He has the strength to carry this crate on his own.

À force de travailler, elle a fini par réussir.

Through sheer hard work, she eventually succeeded.