待我长发齐腰我嫁你待你长发齐腰我娶你
[dài wŏ zhăng fā qí yāo wŏ jià nĭ dài nĭ zhăng fā qí yāo wŏ qŭ nĭ]
An expression of a lifelong commitment. The speaker will marry when he or she grows their hair long to their waist, expressing anticipation of future marriage with someone special.