mishap
noun [ C or U ] uk/ˈmɪs.hæp/ us/ˈmɪs.hæp/
C2 厄运；不幸事故
bad luck, or an unlucky event or accident
The parade was very well organized and passed without mishap. 游行队伍组织得很好，通过时没有发生意外。
A series of mishaps led to the nuclear power plant blowing up. 一系列不幸事故导致核电站发生爆炸。