待我长发及腰我陪你看海待你长发及腰我陪你一生
[dài wŏ zhăng fā jí yāo wŏ péi nĭ kàn hăi dài nĭ zhăng fā jí yāo wŏ péi nĭ yī shēng]
Expressing dedication and commitment, it says, 'When my hair reaches my waist, I will watch the sea with you. When your hair grows long, I'll spend my whole life with you'. It implies unwavering support for each other until old age.