ally arm

例句：

1. 1. They formed an alliance with the neighboring country to fight against the common enemy.
   他们与邻国结成同盟，共同对抗共同的敌人。
2. 2. The company has been a loyal ally of the government for many years.
   该公司多年来一直是政府的忠实盟友。
3. 3. Allies must work together to achieve their goals.
   盟友必须共同努力实现他们的目标。