心当たりのない

こころあたりのないkokoroatarinonai

expression · i-adjective

  1. completely unknown
  2. unexpected
  3. having no clue about

Kanji in this word

Study it in Yanamino

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