John Connor: Wait a minute here. You're telling me that this thing can imitate anything it touches?
The Terminator: Anything it samples by physical contact.
John Connor: Get real, like it could disguise itself as a pack of cigarettes?
The Terminator: No, only an object of equal size.
John Connor: Then why doesn't it become a bomb or a machine gun or something to get me?
The Terminator: The T-1000 can't form complex machines. Guns and explosives have chemicals in them. Moving parts. It doesn't work that way, but it can form solid metal shapes.
John Connor: Like what?
The Terminator: Knives and stabbing weapons.