1.
surveillance; monitoring; observation
The act of watching or monitoring someone or something closely.
Related Words
Synonym:
見張り (lookout, watch)
Related:
観察 (observation)
Related:
防犯カメラ (security camera)
Compare:
観察する (to observe)
Compare:
警戒する (to be on guard)
Compare:
モニタリング (monitoring)
Compare:
目を光らせる (to keep a sharp watch on)