suddenadj.突然的;出乎意料的n.突发之事
sudden occurrence突发事件
sudden conversion突然的皈依
sudden realization顿悟
sudden enlargement[化] 骤扩; 突然扩大
sudden huge profit暴利
sudden contraction骤缩
sudden inspiration灵机
Sudden instability突变失稳
sudden credit risk突发信用风险
Sudden alternation急剧变动