Surveillance
Observation, Monitoring
noun, verbal noun
You oversee and look at all that is in your domain. You are conducting surveillance.
監視 is the active observation of someone or something to ensure safety or compliance, or to detect suspicious activity. It can also refer to the people who carry out this monitoring, either directly or through the use of things like cameras.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼は警察に監視されているというウワサがあります。
There's a rumor that he's under police surveillance.
監視の目をかいくぐって、彼女は静かに立ち去ったんです。
She quietly slipped away, evading the observant eyes.
時々、オンラインでのアクティビティが政府に監視されていると感じることはありませんか？
Do you ever feel like your online activity is being monitored by the government?
監視カメラは持ってるんですが、まだテープを確認した事はないんですよね。ちゃんと撮れてるのかな。
I have a surveillance camera, but I haven't checked the tape yet. I wonder if it's working properly.