suddenly是什么意思
suddenly 是形容词 sudden（突然地/意外的）的派生词，-ly 是副词后缀，意思是“突然地”、“意外地”、“冷不防”。例如：
Mary suddenly appeared in the doorway. 玛丽突然出现在门口。
My heart suddenly began beating violently. 我的心突然开始猛烈地跳动。
My mind suddenly switched back to my conversation with Jeremy. 我的思绪突然回到了与杰里米的谈话上。
I suddenly remembered that I hadn't locked the door. 我突然记起我没有锁门。
