遊ゆう撃げき戦せん

noun

guerrilla warfare; unconventional warfare

Refers to irregular military tactics, typically by small, mobile groups using ambushes and hit-and-run attacks.

• 彼かれらは遊ゆう撃げき戦せんを展てん開かいして敵てきを苦くるしめた。

  They waged guerrilla warfare and harassed the enemy.