跟你借的幸福我只能还你
[gēn nĭ jiè de xìng fú wŏ zhĭ néng hái nĭ]
'Happiness I Borrowed From You Can Only Be Returned to You' is a sad expression for someone unable to maintain happiness from another, wishing they could only offer the borrowed joy back. Suggests a bittersweet moment of giving up what's cherished due to uncontrollable circumstances.