a snowball effect
一个小事件或行动引发的连锁反应，导致问题或局势迅速变大或扩大
日常·描述连锁反应
英文释义
The situation where an initial action or event leads to a series of increasingly significant consequences or reactions.
例句
The small argument had a snowball effect, leading to a major family feud.
典故来源
源自雪球滚动时越滚越大的自然现象，比喻初始小事件引发连锁反应，问题或影响迅速扩大。