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.進攻非常猛烈,武裝部隊似乎被打了個措手不及。
英漢詞典釋義
n.
兇猛,殘暴
He had never heard such ferocity in a man’s voice.他從來沒有聽到過一個人說話口氣會這般惡狠狠的。It attacks its prey with great ferocity.它非常兇猛地攻擊獵物。She fought with crazed ferocity.她瘋狂而兇猛地廝打著。The uprising was put down with the utmost ferocity.起義被極端殘酷地鎮壓下去了。