剣を落として舟を刻む

けんをおとしてふねをきざむkenootoshitefuneokizamu

expression

  1. to not be getting with the times
  2. to be unaware that things are changing
  3. to drop one's sword (in the river) and carve (a mark) on the boat (to mark the spot where the sword was dropped)

Kanji in this word

Study it in Yanamino

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