情似眼泪似星空似爱情海似心城似瞳眸似回忆
[qíng sì yăn lèi sì xīng kōng sì ài qíng hăi sì xīn chéng sì tóng móu sì huí yì]
Expresses emotions as complex and layered as these varied elements—tears, sky, sea, a fortified castle of the heart, pupil, memory, etcetera—implying that the depth and intensity of feeling experienced (usually pertaining to romance) are multifaceted and extensive, hard to define, much like comparing love to the boundlessness of outer space or endless sea. It suggests that love can also evoke a mixture of joyous memories and mournful ones, akin to bittersweet nostalgia