off-limits

the staff lounge is strictly off-limits to guests.

this area is off-limits due to ongoing construction.

access to the server room is completely off-limits.

the vip section is off-limits to general admission ticket holders.

sensitive data is off-limits to unauthorized personnel.

the rooftop terrace is off-limits after 10 pm.

the executive floor is off-limits without proper authorization.

the research lab is off-limits to the public.

this document is off-limits; please do not copy it.

the emergency exit is off-limits except in case of fire.

the private collection is off-limits to casual browsing.