We will fight against the enemy.

我们将与敌人交战。

They united to fight against the enemy.

他们联合起来反抗敌人。

We must defend against the enemy's attack.

我们必须防御敌人的攻击。

The soldiers battled bravely against the enemy.

士兵们勇敢地战斗对抗敌人。

He tried hard to defend against the enemy's attack.

他努力防御敌人的攻击。

The soldier stoutly stood his ground against the enemy.

士兵坚定地在敌人面前站稳了脚跟。

They decided to unite and fight back against the enemy.

他们决定联合起来反击敌人。

The soldiers formed a phalanx to defend against the enemy.

士兵们组成了一个方阵来抵御敌人。

The fortresses stood tall and strong against the enemy's attacks.

堡垒在敌人的攻击下依然高大坚固。

The government decided to carry out a military strike against the enemy.

政府决定对敌方进行军事打击。