A person who uses violence to cause fear for political reasons.
A terrorist
To move slowly and quietly, often to avoid being noticed (V1).
Creep - Crept (V2)
To say bad words because you are angry.
Curse
A person with a gun, usually dangerous.
Gunman
A loud noise made by something like a gun.
Bang
The front part of your body, between your neck and your stomach.
Chest
A secret agent who gathers information secretly.
A secret agent / Spy
A machine that keeps the air cool in a room.
Air-conditioning
A person who plays cards for money, especially poker.
A poker player
To speak very softly, so others cannot hear well.
Whisper
Someone who kills important people, usually secretly.
An assassin
To give off light.
Shine - Shone (V2)
What you do when you stop or start an electrical device.
Switch (something) off/on = Turn (something) off/on
A weapon that shoots bullets.
Gun