愿我伴你细水长流愿我伴你青丝白头
[yuàn wŏ bàn nĭ xì shuĭ zhăng liú yuàn wŏ bàn nĭ qīng sī bái tóu]
Wishing to stay together through life’s calm days and grow old together. This expresses a profound desire for enduring love and companionship, staying by each other's side as time passes by gracefully.