待我长发及腰爱我可好
[dài wŏ zhăng fā jí yāo ài wŏ kĕ hăo]
A romantic and playful phrase suggesting a waiting period during which one is maturing or becoming ready for a relationship. The literal translation would be 'When my hair grows long enough to reach my waist, will you love me?' implying a future readiness.