长发及腰可能是没钱剪
[zhăng fā jí yāo kĕ néng shì méi qián jiăn]
Literally means 'Long hair reaching the waist could be because there's no money for a haircut.' A self-deprecating joke suggesting that untrimmed hair length is due to lack of funds rather than intentional choice. However, this also hints at traditional beliefs associating certain lengths of hair with specific meanings.