necessity knows no law
没有法律可以阻止必要的事情
书面·描述紧急情况下的越界行为
英文释义
when a desperate situation arises, people will do whatever is necessary, regardless of any rules or laws
例句
He stole bread to feed his starving family—necessity knows no law, after all.
典故来源
源自拉丁语格言，中世纪欧洲法律谚语，指极端困境下人们会无视规则。