1.
He sent out a party to spy the enemy.
他派出一个小分队暗中监视敌人的行动。
2.
an oBservation post to watch the enemy
对敌人进行监视的观察所
3.
We cannot remain a passive onlooker to the hysteric moves of the enemies.
我们不能对敌人目中无人的行动坐视不理。
4.
The police got on to the enemy agent and watched his every move shortly after he arrived in the country.
敌特刚进入国境，公安机关就盯上他，监视着他的每个行动。
5.
Be on the watch for the enemy.
监视敌人（以防袭击）。（对敌人戒备着。）
6.
an observation tower for a lookout to watch over prisoners or watch for fires or enemies.
人们为了看守犯人或是监视敌人及火险而设的监视塔。
7.
Camera auto-calibration by video sequence of single walking pedestrian in surveillance video
视频监控中基于行人跟踪的摄像机自动标定
8.
to break off a military action with an enemy.
与敌人中断军事行动的行为。
9.
Intelligent video frequency surveillance not only observes the moving objects of the watched scene in spot,such as human and vehicle etc. ,but also analyzes and describes their action.
智能视频监视就是实时地观测被监视场景的运动目标,如人或车辆等,并且分析描述其行为。
10.
Listen in on the enemy's communication line
监听敌人的通讯线路
11.
A due watchfulness on the movements of the enemy was maintained.
他们对敌人的行动还是相当警惕的。
12.
The dense forest screened the enemy's movement.
茂密的树林把敌人的行动遮蔽起来了。
13.
(military) a tunnel dug to defeat similar activities by the enemy.
（军事）抗击敌人类似行动挖的地道。
14.
By a sudden movement, we uncovered the enemy's right flank.
我们突然行动攻击敌人的右翼。
15.
We are spies in the enemy's country.
我们是在敌人的领土里进行侦查活动。
16.
The Chinese people must fight against those forces and elements, both at home and abroad, that are hostile to China's socialist system and try to undermine it.
中国人民对敌视和破坏我国社会主义制度的国内外的敌对势力和敌对分子，必须进行斗争。
17.
on-going hostilities
正在进行的敌对行动
18.
The public security officer kept the suspected woman under observation
公安人员对那个可疑的女人进行监视。