good-for-nothing
Elle a épousé Sigfrid, ce bon à rien.
She married Sigfrid, that good-for-nothing.
— Les Fraises sauvages (1957)
I'm good for nothing.
I'm not a good-for-nothing.
J'ai accepté que tu sois un imbécile, stupide et bon à rien.
I accepted that you’re an imbecile, stupid, and good-for-nothing.
— Bajrangi Bhaijaan (2015)
Mais ce disciple qui est si pur, est faible et bon à rien.
But this disciple, who is so pure, is weak and good for nothing.
— Histoires de fantômes chinois (1987)
I'm good for nothing.