毁我现在待我废你未来
[huĭ wŏ xiàn zài dài wŏ fèi nĭ wèi lái]
The phrase translates to a warning or defiance against people who have treated them unfairly in the past - 'hurt me now, I’ll ruin your future'. A way to vent dissatisfaction while promising possible retaliation or success that overshadows any past pain.