roving fighter

例句：

1. 1. He is a roving fighter who patrols the border with great skill and courage.
   他是一名技艺高超、勇敢无比的巡逻兵，经常巡视边境。
2. 2. The roving fighter was able to capture the enemy's leader without being detected.
   这位流动战士成功地捕获了敌人的首领，而没有被发现。
3. 3. The roving fighter was deployed in a remote area to prevent any potential threats.
   这位流动战士被部署在一个偏远地区，以防止任何潜在的威胁。