你的笑颜就是我的暖愿永远沉溺你的眼眸
[nĭ de xiào yán jiù shì wŏ de nuăn yuàn yŏng yuăn chén nì nĭ de yăn móu]
It poetically conveys that the sight of your loved one's smile is what warms the heart and brings happiness, wishing to immerse themselves forever in the loved one’s eyes—symbolizing deep affection.