sudden

突然的，意外的；快速的英释adjadjhappening, coming, or done quickly or when you do not expect it

突然发生的事nn

1 of a sudden,突然

2 sudden death,n. 猝死；突然死亡；[体]突然死亡法（决赛中的一分或一球定胜负法）

3 sudden change,突变；（滴定）突跃

4 sudden cardiac death,心脏性猝死；突然心脏死

5 sudden huge profits,暴利

6 sudden attack,奇袭

7 sudden fall,突然落下；骤退

8 sudden infant death syndrome,婴儿瘁死综合症

9 sudden cardiac arrest,心脏骤停

10 sudden burst,突然爆炸；猝发

1 a sudden change in the weather.天气的突然变化

2 Life is cruel, she thought, with a sudden rush of anger..生活真残酷，她想，心头突然涌上一股怒气。

3 a sudden movement.突然的一动

4 Her death was sudden..她的死很突然。