force ma·jeure
noun/ˌfɔːs mæˈʒɜː(r)/
/ˌfɔːrs məˈʒɜːr/
[uncountable] (from French, law)- unexpected circumstances, such as war, that can be used as an excuse when they prevent somebody from doing something that is written in a contract
不可抗力（如战争，常指未能履行合约的原因） Word OriginFrench, literally ‘superior strength’.