待我长发至腰少年娶我可好
[dài wŏ zhăng fā zhì yāo shăo nián qŭ wŏ kĕ hăo]
Directly translated as 'When my hair reaches my waist, will you marry me young man?'. It poetically expresses anticipation and request of love or marriage, often referring to waiting until adulthood, beauty development, or reaching a milestone before seeking partnership/sealing the romantic relationship.