为你画地为牢我愿囚禁于此
[wéi nĭ huà dì wéi láo wŏ yuàn qiú jìn yú cĭ]
'I would willingly imprison myself for you.' It means that someone is devoted to another person to the extent that they feel confined in a loving relationship but do so willingly due to the intensity of their love or attachment.