心殇谁知
[xīn shāng shéi zhī]
'心' stands for heart or inner self; '殇' traditionally refers to premature death but could imply sorrowful memories or deep pain here; '谁知' meaning 'who knows.' The entire phrase may reflect a sense of profound sadness that only the individual themselves understands, expressing feelings of loneliness and emotional isolation where no one else truly grasps their grief or suffering.