The ferocity of something is its fierce or violent nature.
例句
The armed forces seem to have been taken by surprise by the ferocity of the attack.进攻非常猛烈,武装部队似乎被打了个措手不及。
英汉词典释义
n.
凶猛,残暴
He had never heard such ferocity in a man’s voice.他从来没有听到过一个人说话口气会这般恶狠狠的。It attacks its prey with great ferocity.它非常凶猛地攻击猎物。She fought with crazed ferocity.她疯狂而凶猛地厮打着。The uprising was put down with the utmost ferocity.起义被极端残酷地镇压下去了。