待我长发及腰姑娘嫁我可好
[dài wŏ zhăng fā jí yāo gū niáng jià wŏ kĕ hăo]
The meaning here conveys a young man waiting until the girl grows her hair to her waist - typically indicating she reaches her most charming period - hoping the girl can then marry him; thus showing his earnest anticipation and longing for her.