監督,監視,監察,管制
Surveillance \Sur*veil"lance\, n. [F., fr. surveiller to watch over; sur over + veiller to watch, L. vigilare. See {Sur-}, and {Vigil}.] Oversight; watch; inspection; supervision. That sort of surveillance of which . . . the young have accused the old. --Sir W. Scott.
surveillance n : close observation of a person or group (usually by the police)