walk out on something phrasal verbphr v STOP DOING somethingto stop doing something you have agreed to do or that you are responsible for 不履行〔答应了或有责任做的事〕 ‘I never walk out on a deal, ’ Dee said. “说好的事我决不反悔。”迪伊说。
→ walk out on something at walk1(PHRASAL VERB)