你眼深似海却不为我而蓝
[nĭ yăn shēn sì hăi què bù wéi wŏ ér lán]
In a poetic style, this conveys deep longing: 'your eyes deep like an ocean yet not blue just for me.' It evokes imagery of vast, uncharted depths and speaks of feelings left unreciprocated by someone.