Definition
When opposing parties or individuals with firearms choose to resolve their conflict through mutual gunfire until one party is either defeated or eliminated.
（敵對雙方）互相開槍射擊，以分勝負或死亡
Around the corner in a western town, two gangs decided to shoot it out in the street to settle their dispute; I heard they were going to open fire there.
在一個西部小鎮的街角，兩個幫派決定在街上開槍解決他們的爭端；我聽說他們要在那裡開火。
Faced with an irreconcilable conflict, both nations' armies chose to shoot it out, planning to engage in gunfire at the border.
面對無法調和的衝突，兩國的軍隊選擇開槍解決，計劃在邊境交火。
In the tense climax of the movie, the protagonists shoot it out with the opposing forces, having to determine who will ultimately prevail.
在電影緊張的高潮中，主角們與敵對勢力開槍對決，必須決定誰將最終勝出。