我的世界谁是光芒你的世界我来点亮
[wŏ de shì jiè shéi shì guāng máng nĭ de shì jiè wŏ lái diăn liàng]
'In my world, who's the light? In your world, I'm here to light it up.' A romantic notion emphasizing a wish to bring illumination and happiness into someone else’s life, indicating devotion and commitment in relationships.