陪我从长发及腰到白发苍苍
[péi wŏ cóng zhăng fā jí yāo dào bái fā cāng cāng]
It means 'Stay with me from having long hair to being gray.' It symbolizes a commitment to stay with someone through life, growing old together. It reflects a wish for enduring companionship and the journey of life from youth to old age.