happening or done quickly and unexpectedly突然的；忽然的；骤然的- News of his sudden and unexpected death came as a great shock.他突然和意外死亡的消息震惊了。
- a sudden change in temperature温度的突然变化
- There were several sudden bursts of gunfire outside.外面突然有几声枪声。
- It was only decided yesterday. It's all been very sudden.这是昨天才决定的，一切都非常突然。🔊🔊
- Don't make any sudden movements.不要突然做动作。🔊🔊
- His death was very sudden.他死得很突然。🔊🔊
Topics Timeb1Oxford Collocations DictionarySudden is used with these nouns: See full entry Word OriginMiddle English: from Anglo-Norman French sudein, from an alteration of Latin subitaneus, from subitus ‘sudden’.