noun
short decisive battle; quick showdown
Refers to a battle, match, or contest that is decided quickly, often through a concentrated effort. Can be used figuratively for any situation where a swift resolution is sought.
短期決戦で一気に勝負をつける。
We'll settle it quickly in a short decisive battle.
このプロジェクトは短期決戦で終わらせよう
Let's finish this project in a quick, concentrated push.