chance event

• n. 不确定结点；随机事件

英英释义

Noun:

1. anything that happens suddenly or by chance without an apparent cause;

   "winning the lottery was a happy accident"
   "the pregnancy was a stroke of bad luck"
   "it was due to an accident or fortuity"
   

近反义词

【近义词】

• stroke 中风
• accident 事故
• fortuity 偶然性