英和和英

an observation-post

the role of keeping watch

under surveillance

to inspect

a lookout man

an army of observation

to break through police surveillance

keep under surveillance

a person who secretly oversees or observes something

take over the watch

be kept under surveillance

supervised play

to watch one's movements―keep an eye on one's movements

put a person under guard

on the farther side from the observer

compliance supervision

I'm being monitored.

someone who guards prisoners

an investigator who observes carefully

seemed unaware of the scrutiny

Keeping an Eye on Asteroids

You are being watched.

a vehicle performing sentinel duty

observe with special attention

place a suspect under surveillance

Please keep up that surveillance.

I was aware of being watched.

I think I'm being watched.

They have a severe taskmaster over them.

a purposeful surveillance to guard or observe