When the machine is locked, only the person with the key can open the case or use the keyboard.
It can usually be seen when a person opens his or her mouth wide.
The wrong person opens the door, and you're in their nightmares all week.
They move when a person opens and closes the mouth.
They tried to kill him, but some other persons opened fire.
The first person opens a wrapped gift and the turn ends.
The person also may open his or her nostrils wide when breathing in.
The person in the hallway stopped, put something down on a table, and opened the front door.
I can understand how a person could open what looks like a legitimate piece of expected business, and wham, there you are.
Why should a person who wants a few headlines have to open a full page of information?