1.
The lone sentinel walked toward his post.
忧愁的哨兵走向岗哨。
2.
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
3.
The act of whistling.
吹，吹哨口哨或哨子的行为
4.
The post or period of duty of a guard, sentinel, or watcher.
放哨，站岗警卫、哨兵或观望哨的责任岗位或时段
5.
A whistling sound used to summon or command.
召唤哨声，命令哨声用于召唤或发布命令的哨声
6.
The working environment for guards at the observation post is very tough.
观察哨上的哨兵工作环境很艰苦。
7.
Has the guard been posted?
已经给这位哨兵布置哨位了吗?
8.
the sentry stayed in his box to avoid the cold.
这个哨兵呆在他的哨亭里以躲避风寒。
9.
the act of signalling (e.g., summoning) by whistling or blowing a whistle.
用口哨声或吹哨发信号（如召集）的动作。
10.
A remote station or post.
边防哨，分站边远地区的站或哨所
11.
`pick' is the primitive word from which `picket' is derived.
‘pick（凿、掘）’是派生‘picket（哨位、放哨）’的根词。
12.
The guard did not quit his post all night long .
那个哨兵整夜都没有离开他的哨位。
13.
A small wind instrument for making whistling sounds by means of the breath.
口哨；哨子一种很小的吹奏乐器，通过呼吸而发出哨声
14.
The sentry alarmed the sleeping men.
哨兵向熟睡的士兵报警。
15.
pass a barrier, sentry, checkpoint, etc
通过障碍、 哨卡、 检查站等
16.
neighbourhood watch
ph.1. 街坊守望相助岗哨
17.
He passed the guards unnoticed.
他经过岗哨没有被发觉。
18.
He is whistling merrily.
他在愉快地吹口哨。