weap‧on S3 W2 / wepən / 名词 [可数名词]
1 something that you use to fight with or attack someone with, such as a knife, bomb, or gun :
They all had sticks which they planned to use as weapons.
2 an action, piece of information, piece of equipment etc that you can use to win or be successful in doing something :
a new weapon in the fight against AIDS
Right now, she felt the need of every weapon in her armoury (= weapon that she had ) , including surprise.
COLLOCATIONS
ADJECTIVES/NOUN + weapon
nuclear/atomic weapons The country is thought to be developing nuclear weapons.
conventional weapons (= not nuclear ) With conventional weapons, the destruction is not so drastic.
chemical/biological weapons (= weapons that use chemicals such as poisonous gases, or dangerous germs ) Troops may have been exposed to chemical weapons.
an offensive weapon (= one that can be used to attack someone illegally ) He was charged with carrying an offensive weapon.
a lethal/deadly weapon (= one that can kill ) A knife is a lethal weapon.
the murder weapon (= the weapon used to kill someone ) Police found a knife at the scene that is believed to be the murder weapon.
an automatic weapon (= an automatic gun ) He was shot 120 times with automatic weapons.
动词
carry a weapon The man is believed to be carrying a weapon.
use a weapon They claim the government used chemical weapons against them.
fire a weapon (= shoot a gun or missile ) Police were told not to fire their weapons.