非正式骑兵

例句：

1. 1. The informal cavalry was a surprise to the enemy.
   这支非正式骑兵给敌人带来了惊喜。
2. 2. The unsoldiered cavalry was a force to be reckoned with.
   这支非正式骑兵是一支不容忽视的力量。
3. 3. The cavalry was led by an experienced general.
   骑兵由一位经验丰富的将军领导。