furiously
adv. 猛烈地;狂暴地
例句
They went at each other furiously.
他们相互猛烈攻击。
《牛津词典》
'Damn!' he said furiously.
“该死的!”他十分愤怒地说。
The bird flapped its wings furiously.
那只鸟使劲地拍打着翅膀。
《柯林斯英汉双解大词典》