我长发却缠不住你的心
[wŏ zhăng fā què chán bù zhù nĭ de xīn]
Translates as 'I Have Long Hair but Cannot Bind Your Heart,' indicating sadness through metaphor. It speaks of someone who feels their attractiveness—represented by their hair—is insufficient to secure someone's affection or attention despite efforts put forward. A common sentiment reflecting romantic longing or unreturned affection.