The army was forced to retreat after suffering heavy losses.

部队因伤亡惨重被迫撤退。

《牛津词典》

The enemy was forced to retreat.

敌人被迫撤退。

youdao

The enemy was forced to retreat from the city.

敌人被迫撤出这个城市。

youdao

With supply lines stretched and his forces weakened, Napoleon suffered a humiliating Image representing Google as depicted in Crunc... series of defeats and was eventually forced to retreat.

FORBES: Google's Napoleonic Moment

However, he was forced to make a hasty retreat at the end of the ceremony when some fans tried to invade the stage.

BBC: Ronaldo welcomed by 80,000 fans

So it was in 1956, when Eisenhower forced David Ben- Gurion to beat a speedy retreat from the Sinai and Gaza at the end of the Suez campaign.

CENTERFORSECURITYPOLICY: Washington won't let Israel win