未練

1. Origins, structure, and basic meaning

• Structure: 未練(みれん) means a lingering attachment to something that has ended or should be let go.
• Basic usage: It is used for attachment to a possession or for cutting ties with an ended plan. Typical patterns are カメラに未練がある and 計画への未練を断つ.

2. Common pitfalls and similar expressions

• Learn the particle patterns
  • Use 〜に未練がある when attachment remains and 〜への未練を断つ when breaking that attachment.
• Difference from 後悔
  • 後悔(こうかい) is regret over a past action judged to have been wrong, while 未練 is an inability to let go of a person, thing, or possibility.