adjective [原级]突然的，意外的
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。
noun [抽象名词]突然发生的事
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。
adverb [时间副词]<文，非正式>突然地（all of a sudden）
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。
单词造句: