madly
adv. 疯狂地;发狂地;精神失常地
例句
She's madly in love with him.
她疯狂地爱着他。
《牛津词典》
She has fallen madly in love with him.
她疯狂地爱上了他。
《柯林斯英汉双解大词典》
They're madly in love.
他们疯狂地相爱。