毁我少年我定现在废你未来
[huĭ wŏ shăo nián wŏ dìng xiàn zài fèi nĭ wèi lái]
Translating to 'destroy my youth and I will destroy your future,' it carries heavy warning about not ruining one’s past because if so retribution would come affecting future opportunities. An intimidating declaration emphasizing serious consequences from past actions affecting destiny.