一いっ斉せい攻こう撃げき

noun

all-out attack; attack on all fronts; onslaught

A coordinated, simultaneous attack from multiple directions or by all available forces. Often used in military, sports, or figurative contexts.

• 敵てきは夜よ明あけ前まえに一いっ斉せい攻こう撃げきを仕し掛かけてきた。

  The enemy launched an all-out attack before dawn.

• 野や党とうは首しゅ相しょうの政せい策さくに対たいして一いっ斉せい攻こう撃げきを始はじめた。

  The opposition parties began a coordinated attack on the prime minister's policies.