maniacal

1. ADJ If you describe someone's behaviour as maniacal, you mean that it is extreme, violent, or very determined, as if the person were insane. (行为)极端的; 疯狂的; 狂热的[表不满]

He was almost maniacal in his pursuit of sporting records. 他对打破体育记录的追求是近乎疯狂的。

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。

2. maniacallyADV

He was last seen striding maniacally to the hotel reception. 他被最后看到时正发疯似地跨步走向酒店前台。