剣を落として舟を刻む
けんをおとしてふねをきざむ
Meanings
- Expression to not be getting with the times; to be unaware that things are changing (literally: to drop one's sword (in the river) and carve (a mark) on the boat (to mark the spot where the sword was dropped)) (from a story in Master Lü's Spring and Autumn Annals)