castle-guard

例句：

1. 1. The castle guards were the first to enter the castle after the attack.
   在袭击之后，城堡守卫是第一个进入城堡的人。
2. 2. The castle guard was a brave man who fought valiantly against the enemy.
   这位城堡守卫是一位勇敢的人，英勇地抵抗敌人。
3. 3. The castle guard kept watch over the gates, making sure no one escaped.
   城堡守卫负责看守大门，确保没有人逃跑。