1.
Be on the watch for the enemy.
监视敌人（以防袭击）。（对敌人戒备着。）
2.
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。
3.
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。
4.
an oBservation post to watch the enemy
对敌人进行监视的观察所
5.
Listen in on the enemy's communication line
监听敌人的通讯线路
6.
He clenched his fists and glared at the enemy.
他攥紧拳头怒视敌人。
7.
a redoubtable opponent [enemy]
不可轻视的对手 [敌人] ,劲敌
8.
Special troops will be garrisoned all along the coast to watch out for enemy airplanes.
沿海都要驻上特种部队，以监视敌机。
9.
We have been monitoring the enemy's radio broadcasts to try to find out their plans.
我们一直在监听敌台以设法查探敌人的计划。
10.
supervise or watch sb closely
严密监督或监视某人
11.
When the night closes in and everything sleeps, our coastal defence soldiers are guarding our territorial seas and watching over the enemy.
当夜幕笼罩万物沉睡时，我们的海防战士们却在守卫着海疆，监视着敌人。
12.
On the one hand, we should contempt the enemy in strategy; on the other hand, we should think the enemy seriously in tactics.
一方面在战略上要藐视敌人,另一方面在战术上要重视敌人。
13.
be in a person's black books
被某人视为不受欢迎的人物,受某人的敌视
14.
non-attended station
无人监视台，无人值班台
15.
That is the main reason why the enemy is afraid to approach our base area.
敌人视为畏途，主要地也在这一点。
16.
She faced death calmly and unflinchingly before the enemy's chaff-cutter.
她在敌人铡刀前，视死如归，毫无惧色。
17.
The general's eyes trave11ed over the enemy's positions.
将军的眼睛扫视了敌人的阵地。
18.
The commander's eyes traveled over the enemy's camp.
司令的眼睛扫视了敌人的营地。