你是深海深不见底你是梦境遥不可及
[nĭ shì shēn hăi shēn bù jiàn dĭ nĭ shì mèng jìng yáo bù kĕ jí]
Translates into 'You are the depths unseen of the deep ocean; You are the dream unreachable.' It compares the object of affection/subject matter as something so profound and distant yet compelling, highlighting the beauty but also futility in reaching such ideals.