flaws, weaknesses
D'où viennent ces failles ?
Where do these flaws come from?
— Police Story (1985)
Et ils viennent d’en montrer les failles.
And they have just exposed its flaws.
— The Shadow's Edge (2025)
Votre déclaration a des failles.
Your statement has flaws.
— L'Accusé (2017)
Il y a eu des failles dans l'exécution.
There were flaws in the execution.