你为什么跑那么快啊因为我希望你追我啊
[nĭ wéi shén me păo nèi me kuài a yīn wéi wŏ xī wàng nĭ zhuī wŏ a]
Translating as 'why are you running so fast? Because I want you to chase me', this indicates playful flirtation, teasing, or engaging behavior in a romantic or interpersonal context.