incompetent
Vous êtes un homme incompétent, profondément méchant.
You are an incompetent, deeply wicked man.
— Les Choristes (2004)
He is incompetent.
You were incompetent.
Es-tu fainéant ou simplement incompétent ?
Are you lazy or simply incompetent?
Il est totalement incompétent.
He is completely incompetent.
You were incompetent.