我哭看蓝了海他都不回来
[wŏ kū kàn lán le hăi tā dōu bù huí lái]
Describing extreme sadness and unreciprocated love. Literally, it translates as 'Even if my tears turn the sea blue, he still won’t come back.' Conveying profound grief over loss and lack of response from the person of concern.