a sudden + noun
There was a sudden change in the weather.
天气突然发生了变化。
突然的；忽然的
迅速发生,几乎没有警告或预期；瞬间。；意外的；快速的
happening quickly and unexpectedly, with little or no warning
迅速发生,几乎没有警告或预期；瞬间。
Occurring quickly with little or no warning or expectation; instantly.
突然的；忽然的
happening without warning or in a short space of time
The sudden rain caught us without umbrellas.
突如其来的雨让我们没有带伞。
用法提示：sudden 作定语修饰 rain，表示雨来得突然、没有预兆。
AI contextual example
Her sudden decision to quit surprised everyone.
她突然决定辞职，让大家都很惊讶。
用法提示：sudden 修饰 decision，强调决定是毫无征兆的。
AI contextual example
Don't make any sudden moves.
不要突然行动。
用法提示：sudden 修饰 moves，提醒动作不要突然、让人来不及反应。
AI contextual example
There was a sudden change in the weather.
天气突然发生了变化。
The decision was very sudden.
这个决定非常突然。
The attack was too sudden to defend against.
袭击太突然，来不及防御。
grammar · medium
易错句子He left sudden.
正确表达He left suddenly.
错误：用形容词'sudden'修饰动词'left'。英语中，修饰动词需要副词'suddenly'。
grammar · medium
易错句子It was a suddenly change.
正确表达It was a sudden change.
错误：用副词'suddenly'修饰名词'change'。英语中，修饰名词需要形容词'sudden'。
abrupt 强调变化非常迅速且常带有不愉快或出乎意料；sudden 更强调时间上的短暂和意外。
unexpected 强调没有预料到，但可能不一定是瞬间发生的；sudden 强调发生时间短。
suddenly 是副词，修饰动词或整个句子；sudden 是形容词，修饰名词。
突然的变化
The sudden change in weather surprised everyone.
天气的突然变化让每个人都很惊讶。
猝死
He died of sudden death at the age of 45.
他在45岁时猝死。
突然的动作
Don't make any sudden movement or the bird will fly away.
不要做任何突然的动作，否则鸟会飞走。
突然的爆发
There was a sudden burst of laughter from the audience.
观众中突然爆发出笑声。
突然的领悟
She had a sudden realization that she had left her keys at home.
她突然意识到自己把钥匙忘在家里了。
常与突然搭配，表示突发的变化
突然的停止，如突然刹车
突然的爆发，如突然的笑声或哭声
突然的领悟或认识到
突然的动作，如突然转身
突然地
All of a sudden, the lights went out.
突然，灯灭了。
突然死亡法（加时赛）
The match went into sudden death.
比赛进入了突然死亡法。
婴儿猝死综合征
Sudden infant death syndrome is a leading cause of infant mortality.
婴儿猝死综合征是婴儿死亡的主要原因之一。
出自电影《美国丽人》（1999）中男主角的台词，表达一种突如其来的冲动。
I had a sudden urge to kiss you.
我突然想吻你。
出自电影《早餐俱乐部》（1985）中角色John Bender的台词，表示突然感到自己很糟糕。
All of a sudden, I feel like a total jerk.
突然间，我觉得自己像个彻头彻尾的混蛋。
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Includes Synonyms & Antonyms
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Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WIKTIONARY.