How to say “Your utility knife is tearing the cardboard; the blade needs changing.” in FrenchIn FrenchTon cutter déchire le carton ; il faut changer la lame.▶ Hear it in FrenchYour utility knife is tearing the cardboard; the blade needs changing. in other languagesWhat Your utility knife is tearing the cardboard; the blade needs changing. meansIn PortugueseIn Japanese