溺海不知终老良人不知深情
[nì hăi bù zhī zhōng lăo liáng rén bù zhī shēn qíng]
Translates into 'Drowning in the sea not realizing that old lover doesn't know my deep affections'. This username portrays intense unrequited love or longing with a tinge of despair. User's emotions submerged deep within, unseen and unfelt by their loved ones.