心里有人吗有啊就是你
[xīn lĭ yŏu rén ma yŏu a jiù shì nĭ]
Translated directly as 'Is there anyone in your heart? Yes, you indeed', meaning that there is one specific person who holds significance in one's thoughts, mind or memories. Here it signifies that particular individual towards whom the user feels strongly attracted and cherished, possibly being romantically inclined or infatuated by them.