竹たけ槍やり戦せん術じゅつ

noun

bamboo-spear tactics; fighting with primitive weapons against a technologically superior enemy

Often used critically to describe a naive, spiritualistic approach that relies on sheer determination rather than practical means. The term originates from WWII-era rhetoric.

• 竹たけ槍やり戦せん術じゅつでは現げん代だいの軍ぐん隊たいに勝かてない。

  You can't defeat a modern army with bamboo-spear tactics.

• 彼かれの計けい画かくは竹たけ槍やり戦せん術じゅつに過すぎないと批ひ判はんされた。

  His plan was criticized as nothing more than bamboo-spear tactics.