incident
/ˈɪnsɪdənt; `ɪnsədənt/ n
1 event or happening,often of minor importance 事情, 发生的事（常指小事）
He could remember every trivial incident in great detail. 他能把每件小事的细节都记得很清楚.
2 hostile military activity between countries, opposing forces, etc （国际间或敌对力量等之间的）敌对行动, 军事冲突
border incidents 边境事件.
3 [C, U] public disturbance, accident or violence 骚乱; 事故; 暴力事件
The demonstration proceeded without incident. 游行示威进行时没有出事. =>Usage at occurrence 用法见occurrence.
incident / ˈɪnsɪdənt; `ɪnsədənt/ adj [pred 作表语]
~ to/upon sb/sth (fml 文) forming a natural or expected part of sb/sth; naturally connected with sb/sth 伴随某人[某事物]而来; 与某人[某事物]自然联系
the risks incident to the life of a test pilot 试飞员免不了要冒的生命危险
responsibilities incident upon one as a parent 为父母者自然要承担的责任.