Unable to fight or to escape, the enemy were forced to surrender.

敌人无法继续战斗或逃跑，只好投降。

youdao

Unable to fight on or to escape, the enemy were forced to surrender.

打吧，打不下去，跑吧，跑不了，敌人只好投降。

《新英汉大辞典》

They could now fight for their very life, run, or surrender.

那时他们只能够为自己的生命而战斗、逃跑或投降。

youdao

But if the North refused a peaceful separation, then the South would be faced with the choice of surrender or fight.

VOA: special.2009.03.26

We can surrender or we can fight.

CENTERFORSECURITYPOLICY: Israel's balance of delusion

The French are unlikely to surrender the post without a fight, so if Mr Trichet is ruled out they might have to look for an alternative.

ECONOMIST: The terrible twos begin | The

However, the Japanese proved to be intrepid fighters, willing to fight to the death rather than surrender.

FORBES: Declining Populations Make Peaceful Neighbors