frenzy
/ˈfrenzɪ; `frɛnzɪ/ n[sing, U]
state of extreme excitement; extreme and wild activity or behaviour 极度激动的状态; 极度狂乱的活动或行为
in a frenzy of zeal, enthusiasm, hate, etc 疯狂的激情、 热情、 仇恨等
The speaker worked the crowd up into a (state of) frenzy. 演讲者煽动起群众疯狂的情绪.