油断のならない

ゆだんのならないyudannonaranai

expression · noun or verb acting prenominally

  1. treacherous
  2. dangerous
  3. untrustworthy
  4. sneaky
  5. cunning

Kanji in this word

Study it in Yanamino

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