sudden的副词形式英语
sudden的副词形式suddenly 突然;忽然;猛地;骤然；
sudden
adj.突然的;忽然的;骤然的
The sudden noise made her start.
突如其来的声音吓了她一跳。
His heart gave a sudden leap when he saw her.
他看见她时，心猛地一跳。
The children were surprised by the sudden entry of their teacher.
老师突然进来使孩子们感到意外。
All of a sudden someone grabbed me around the neck.
猛不防有人抓住了我的脖子。