留不住的恋人
[liú bù zhù de liàn rén]
Translated as 'A Lover Who Can't Stay', it describes a type of romantic relationship where separation seems inevitable despite any deep affections or attempts to hold on. This username implies that although there is mutual love or a strong bond between two people, factors such as distance, time, fate or other external elements create an impassable barrier, leading to an inability to maintain the romantic connection, highlighting sentiments of melancholy and resignation.