长发齐腰少年你还是不爱我
[zhăng fā qí yāo shăo nián nĭ hái shì bù ài wŏ]
'Even with long hair down to my waist, you still don’t love me, young man'. This reflects disappointment and longing for unrequited love, where efforts or changes made for someone go unnoticed or unrecognized by that person.