misadventure
/ˌmɪsədˈventʃə(r); ˌmɪsəd`vɛntʃɚ/ n
1 [C, U] (fml 文) (piece of) bad luck; misfortune 不幸; 恶运; 灾祸; 不幸事件
Their holiday was ruined by a whole series of misadventures. 一连串的不幸事故把他们的假日全毁了.
2 [U] (law 律) accidental cause of death not involving crime or negligence 意外死亡
death by misadventure 意外致死.