久居孤岛无人问长眠深海无人知
[jiŭ jū gū dăo wú rén wèn zhăng mián shēn hăi wú rén zhī]
Lived on Solitary Island for Long With No One Asking; Eternal Sleep in Deep Sea Unknown by Anyone: An expression of extreme loneliness or a life lived in profound solitude and being overlooked by others.