沧海月明珠有泪鲛人情思泪有知
[cāng hăi yuè míng zhū yŏu lèi jiāo rén qíng sī lèi yŏu zhī]
Drawing from ancient Chinese myths where mermaids (鲛人) weep pearls instead of tears, this nickname suggests that even the mythical sea dwellers cry as if knowing sorrow, symbolizing great depth and poignancy of one's emotions