大军的英文：
main army; army

参考例句：

Large number(of people, animals,etc)
(人,动物等的)大军,大群

We are the advance detachment. The main forces will be here soon
我们是先遣部队，大军随后就到。

The French army pushed northward
法国大军挥师北上。

Alexander the Great invaded India with a large army.
亚历山大大帝挥大军侵略印度。

..Our flags now beckon the General farther west- With bugles in the dawn he rouses his Grand Army
上将拥旄西出征,平明吹笛大军行。

These professional skills allow them to enter the workforce and work for money.
这些职业技能使他们能加人劳动大军并为钱而工作。

The Grand Army of Napoleon was utterly broken and demoralized when retreating from Moscow
从莫斯科撤退时，拿破仑的这支大军已完全崩溃，军心涣散了。

There were orders for rushing heavy bodies of troops to the West in anticipation of any attacks them might contemplate
命令速派大军至西岸，准备应付他们可能的攻击。

Aunt Harriet presided over an invisible army of servants that continuously scrubbed, cleaned, and polished.
哈丽特姑妈统率着一支看不见的佣人大军，他们不停地擦拭、清扫、刷洗。

The brain, the king of organs, imperiously commands the whole army of muscles.
大脑，我们的器官之王，傲然地指挥着整个肌肉大军。

main是什么意思：
adj. 主要的；全力的，尽力的
n. 总管道，总线；干线，电力网，电源；体力

by (main) force
用蛮力, 全靠气力; 以最大的力气

main gate lodge
大闸区；大闸门房；大闸传达室

This is the main road into town.
这是进城的主要道路。

This is the main traffic artery.
这条路是主要交通干道。

The river has three main branches.
这条河有三条主要的支流。

army是什么意思：
n. 军队；陆军；军团；大群；团体

a standing army
常备军,5. 固定的,不能移动的,6. 【印】(版面)排好后保留的,n.1. 站立[U]2. 站立处[C]3. 身份;地位;名望[U]4. 名次表[P]5. 持续时间[U]

The army policed the conquered city.
军队管制这个被占领的城市。

The general directed the army to attack.
将军指挥军队进攻。

The army was called in to quash the revolt.
军队被调来镇压叛乱。

Array the army against the enemy.
列阵对敌。