画地为牢只为他孤独到老只为她
[huà dì wéi láo zhĭ wéi tā gū dú dào lăo zhĭ wéi tā]
Translating to 'Draw a prison for myself just to grow old alone because of him/for her,' it depicts a self-imposed confinement or commitment due to feelings for someone else, expressing loyalty, sacrifice, or tragic love.