adjective/pɔ.taʃ/
schoolboy, schoolboyish
“À ce moment-ci de l'examen final, après soixante-dix-neuf semaines de formation où il m'a tout appris, il ne s'attendait pas, de ma part, à un aussi potache provocation.” — At this point, the moment of the final exam, after seventy-nine weeks of training in which he taught me everything, he was not expecting such a juvenile provocation from me.