rousing oneself fiercely; being intensely stirred up
獅子奮迅の働きで試合に勝利した。
They won the match with a furious, lion-like effort.
消防士は奮迅の活躍で住民を救出した。
Firefighters rescued residents through their fierce efforts.
プロジェクト成功のため奮迅の努力を続けた。
They continued fierce efforts toward the success of the project.