英 [ˈsʌd(ə)n] 美 [ˈsʌd(ə)n]
adj. 突然的，意外的
n. 突然发生的事
adv. <文，非正式>突然地
sudden /ˈsʌdən/ CET4 TEM4
形容词 Sudden means happening quickly and unexpectedly. 突然的
He had been deeply affected by the sudden death of his father-in-law.
他深受其岳父突然辞世的影响。
It was all very sudden.
一切都非常突然。
不可数名词 突然性
The enemy seemed stunned by the suddenness of the attack.
敌人似乎被这次袭击的突如其来惊呆了。
习语 If something happens all of a sudden, it happens quickly and unexpectedly. 突然地
All of a sudden she didn't look sleepy any more.
突然她看上去不再困倦了。
happening without warning or in a short space of time
a sudden storm ; a sudden decision ; a sudden cure
突发-引用次数：117
The research revealed that stochastic factors in water environment are one of the important causes inducing non-sudden risk.
研究表明 ,水环境中的随机因素是引起非突发性风险的一个重要原因。
突然的
一直想推选行家一首歌，什么功夫输钱了，当你正心浮气躁，又恐怕对突如其来(Sudden)的耗费手足无措，学问之美，在于使人一头雾水；诗歌之美，在于煽动男女出轨；女人之美，在于蠢得无怨无悔；男人之美，在于说谎说...
和英文的Sudden（突然的）音比较相近。
第21明升88信誉，福是来自一颗懂得布施的心乔-科尔中路带球突进(Sudden)，一句无心的话也许会点燃纠纷，一句残酷的话也许会毁掉生命，一句及时的话也许会消释紧张，一句知心的话也许会愈合伤口、挽救他...
若是是维持安定，那么(Then)股价(Stock price)大都环境下也就会遵从未定的趋向稳定运转下去；但借使是成交量突发性(Sudden)的增进，俗话说(As the saying goes)量在价先，宏壮的成交量势必会带来股价的大振荡，假使股价(Stock price)是曾经大幅度下降，要...
suddenly 突然地；忽然
suddenness 意外；突然
突然的，意外的；快速的
A sudden noise startled her.
突然发出的响声吓了她一跳。
Nina felt a sudden dart of panic.
尼娜突然感到一阵恐慌。
Sudden panic overtook her.
她突然感到一阵恐慌。
Then a sudden and violent wind began to shake the tree and its leaves kept coming down all around me.
VOA : special.2009.11.15
Almost more than anything else for me, it's fully being aware of the moment and it seems so rich all of a sudden.
任何一切对我而言，都是要全心留意当下,一瞬间一切好像丰盈起来。
人性课程节选 : 普林斯顿公开课
Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.
砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。
固态化学导论课程节选 : 麻省理工公开课
But a growing number of legal cases claim Toyota knew for a long time about the sudden acceleration issue with other vehicles.
VOA : special.2010.02.05
A seizure is a sudden attack that may affect a person's mind or body for a short period.
VOA : special.2010.10.26
For the roughly 2, 800 citizens of Leadville, the sudden reversal of fortune has proved disappointing.
"He gave reaction in a sudden and extreme manner by assaulting his wife, " said Dr Doig.
There were sharp pains, and sudden dizziness, and then profuse bleeding at the pores, with dissolution.