待你长发及腰我便娶你待你君临天下我便嫁你
[dài nĭ zhăng fā jí yāo wŏ biàn qŭ nĭ dài nĭ jūn lín tiān xià wŏ biàn jià nĭ]
When You Reach Long Hair to Your Waist, I'll Marry You; When You Rule Over All, I Will Wed You. This indicates a deep commitment to waiting and dedicating oneself to another, symbolizing mutual respect and admiration in a relationship.