未練たらしい

みれんたらしいmirentarashii

i-adjective

  1. not knowing when to let go (give up, etc.)
  2. unwilling to resign
  3. having lingering attachment
  4. regretful

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences