久溺深海冷不冷孤独成性怕不怕
[jiŭ nì shēn hăi lĕng bù lĕng gū dú chéng xìng pà bù pà]
Describes 'Being long submerged in deep sea; if it’s cold, if loneliness has become natural, and if fear can still strike.' It portrays someone dealing with deep-seated issues related to depression, isolation, and fear in an emotional context or even mental health.