后院起火hòu yuàn qǐ huǒ常用成语 基本例句 occur internal contradictions比喻内部闹矛盾，发生纠纷。繁体後院起火近义祸起萧墙这个计划也表明了重新审视欧盟在海关的保护政策，因为他最喜欢的武器贸易已经开始后院起火了。 The strategy also proposes to look again at how the EU protects its own borders, because its favored weapons are prone to backfire. ecocn