离人怎挽故人未挽

This name conveys a feeling of helplessness in the face of separation. '离人怎挽' means it's hard to retain someone who has left; '故人未挽' (gu3 ren2 wei4 wan3) indicates that an old friend cannot be retained either. This phrase captures the pain of failed attempts to keep people in one's life and the sense of longing after they're gone.