They are taking the Hobbits to lsengard.他们要将哈比人带到艾辛格

take sb to somewhere:把某人带到某处

He would take you to the ends of the earth.

他愿带你到天涯海角。

Who now has the strength to stand against the armies of Isengard...现在谁有力量抵挡艾辛格…

stand against:抵抗； 耐得住

That fence can not stand against the wind.

那篱笆顶不住风。

They took a firm stand against drugs in the school.

他们坚决反对校园吸毒现象。

相关短语：make a stand against 抵抗(阻击)

The army made a stand against the fierce attack.

部队抵抗敌人猛烈的进攻。

...and the union of the two towers?还有双塔同盟？

union of:并集

We work for the union of the two countries.

我们正为这两国的合并而努力。

Love is a union of loveliness whit truth.

爱是可爱与真实的结合。