a dog that has been trained to attack people or other animals （经过训练的）攻击犬 the use of attack dogs against prisoners 攻击犬对囚犯的使用 four breeds of attack dogs 四种攻击犬
- (disapproving)
a person who often makes strong personal attacks on other people in public 言辞激烈的人身攻击者； 疯狗