hysteria
n. 歇斯底里；（众人的）狂热情绪的爆发；癔症
例句
She felt an anxiety bordering on hysteria.
她感觉到一种近乎歇斯底里的焦虑。
《牛津词典》
All the lights went off, and mass hysteria broke out.
所有的灯都熄灭了，大家变得歇斯底里起来了。
《柯林斯英汉双解大词典》
No one could help getting carried away by the hysteria.
歇斯底里发作起来谁也无法控制自己。
