丢下我是你的幸福
[diū xià wŏ shì nĭ de xìng fú]
This translates to “Your happiness lies in leaving me behind”, where 'leaving me' means ending some kind of close relationship like a romance, family affection, or friendship, and 'happiness' could mean achieving one's best interests. It may indicate that being parted from the speaker will make others feel happier, suggesting a sacrifice made with noble intention.