泪再咸没有海水咸心再酸没有柠檬酸
[lèi zài xián méi yŏu hăi shuĭ xián xīn zài suān méi yŏu níng méng suān]
This name metaphorically says that even salty tears can't match the saltiness of seawater, and even an achingly sad heart can't rival the sourness of a lemon. It's expressing intense grief and sorrow.