全員を敵に回して彼の味方をすることにした。の英語

I decided to take his side against the others.

He managed to defeat all of his enemies.

He did has best to overcome his enemy.

He did his best to overcome his enemy.

Friend and foe mingled pell-mell―It was a mixed fight―a mêlée.

It was heroic of them to oppose the enemy.

The enemy received us with his whole forces

The enemy directed his whole strength against us.

He has acted honourably towards his enemy.

Don't make an enemy of him.

He is a powerful ally and a formidable foe.

win out over all the opponents

I found a friend in a supposed enemy.

His conduct towards his enemy is honourable

It does him honour

It does his heart honour

It redounds to his honour

It is to his honour

He has conducted himself honourably towards his enemy.

He picked off the enemy one by one.

The enemy entered the capital, and plundered it of its treasures―looted its treasures.

They combined forces to fight the enemy.

We anticipated where the enemy would attack.

As they fight together, they gradually learn how to defeat their enemies.

We fell in with the enemy, and routed them―put them to the rout.

He gloats over his victim.

He drew and cut down his enemy with one movement.

The enemy was getting closer [nearer] to us.

He was always in the thick of the fight.

He swore to revenge himself [to be revenged] on his enemies.