你入我心城为王你入我心城为后
[nĭ rù wŏ xīn chéng wéi wáng nĭ rù wŏ xīn chéng wéi hòu]
It means 'You enter my heart, becoming its king; you enter my heart, becoming its queen'. This implies a deep mutual affection and love where both partners are royalty in each other's hearts.