putsthbehindyou
—phrasal verbwithputverbuk/pʊt/us/pʊt/present participleputting|past tense and past participleput
If you put anunpleasantexperiencebehind you, youstopthinkingabout it, so that it does notaffectyourlife.
将（不愉快的经历）抛在脑后
Like anydivorce, it was apainfulbusinessbut I've put it all behind me now.离婚都一样，都是令人痛苦的事，不过我现在已经把它抛在脑后了。