挺着矛

例句：

1. 1. He stood up to defend his honor.
   他挺身而出捍卫自己的荣誉。
2. 2. The soldiers stood up and saluted the flag.
   士兵们挺直了身体向国旗敬礼。
3. 3. The brave man stood up against the enemy.
   那位勇敢的人挺起胸膛对抗敌人。