英语语法分析

She is hunched forward over the wheel with a maniacal expression.

她弓身伏在方向盘前，表情像疯了一样。

《柯林斯英汉双解大词典》

In a maniacal manner or to a maniacal degree.

以发狂的方式；达到发狂的程度。

A more fitting name could not be found for these maniacal beings.

没有比疯子更适合这些发癫的东西的名字了。