Our frontier guards held up under fierce enemy attack .

我们的边防战士在敌人猛烈进攻下巍然不动。

youdao

The frontier guards together with the militiamen drove out the invaders.

边防战士和民兵一起把入侵者赶了出去。

youdao

The militiamen did much to assist the frontier guards' search for the enemy.

民兵大力协助边防军嫂搜索敌人。

youdao

Dubs says the Chinese kept the ex-legionaries as frontier guards, installing them in a specially created town called Liqian in what is now Gansu.

ECONOMIST: So it's said, anyway

According to Pliny the Elder, the Roman prisoners were used by the Parthians as guards on their eastern frontier in what is today Turkmenistan.

ECONOMIST: So it's said, anyway

Before that, he was commander of the Frontier Corps - the paramilitary force that guards Pakistan's tribal belt.

NPR: Trip to Religious School Offers Window on Pakistan