海太深看不见你丢下的心
[hăi tài shēn kàn bù jiàn nĭ diū xià de xīn]
This username expresses a deep and melancholic sentiment, suggesting the user feels that someone's feelings or intentions have sunk too deep in the 'sea', beyond their ability to find them. It's often used by people who feel distant from another person emotionally.