innocent bystanders suffering as a result of a conflict or disaster involving others

你们两个闹矛盾，别把我牵扯进来，我可不想城门失火，殃及池鱼。

the idea that individuals or entities are linked such that a misfortune for one inevitably affects others; no man is an island

面对全球性的经济危机，任何国家都无法独善其身，往往是城门失火，殃及池鱼。