can of worms
一桶不可控制的麻烦或问题
口语·表示棘手或麻烦问题
英文释义
a complicated, difficult, or contentious situation or problem that is more troublesome than it appears initially
例句
Bringing up that old argument opened a whole can of worms that we weren't ready to deal with.
典故来源
源自钓鱼场景，打开一罐蚯蚓会导致蚯蚓四处乱爬，比喻处理一个问题会引发更多复杂麻烦。