前哨的英文：
outpost
picket

参考例句：

a tenable outpost.
一个守得住的前哨

The army and the people guard the island outpost together.
军民共守前哨岛屿。

To post as a picket.
派…担任前哨

The commandos attacked the outpost at dawn.
突击队员于拂晓时袭击了前哨基地。

The battalion' s outposts were called in
该营的前哨部队已被召回。

Our pickets were driven in as a prelude to the main enemy attack.
我们的前哨被迫撤回，预示着敌人主力的进攻即将开始。

The invading army overran a few scattered guerrilla outposts.
入侵军占领了游击队若干分散的前哨基地。

The troops received orders to trench the outpost.
部队接到命令在前哨周围筑壕加强防卫。

A mounted sentinel stationed in advance of an outpost.
骑哨先于前哨基地驻扎的骑马的哨兵

That small town is the last far-flung outpost of our country.
那个小城镇是我们国家一个遥远的前哨基地。

outpost是什么意思：
n. 前哨,前哨部队,前哨地点

The commander called in the second battalion's outposts.
指挥官下令第二营警戒部队撤回。

The army and the people guard the island outpost together.
军民共守前哨岛屿。

The invading army overran a few scattered guerrilla outposts.
入侵军占领了游击队若干分散的前哨基地。

That small town is the last far-flung outpost of our country.
那个小城镇是我们国家一个遥远的前哨基地。

American fur trader who explored the Snake and Yellowstone rivers and founded the first American outpost in the Rocky Mountains(1810.
亨利，约瑟夫1791－1878美国物理学家，对电磁现象有广泛的研究

picket是什么意思：
n. 桩,尖桩,前哨
vt. 围住,警戒
vi. 担任纠察

To post a picket or pickets during a strike or demonstration.
派出纠察员在罢工或示威期间设置一个或几个纠察队

The reactionary police cleared out the pickets by force.
反动警察用武力赶走了罢工纠察队员们。

Humboldt riotously picketed Von Trenk but the play was a hit
尽管洪堡肆意破坏《冯?特伦克》的上演，然而这个剧还是轰动一时。

Our pickets were driven in as a prelude to the main enemy attack.
我们的前哨被迫撤回，预示着敌人主力的进攻即将开始。

Here has the cunning Frenchman been placing a picket directly in our path
这个狡猾的法国佬，连在这儿咱们要通过的路上，也放着岗哨哩。