suddenly的同義短語有哪些

同義短語all of a sudden，例如：

1、All of a sudden someone grabbed me around the neck.猛不防有人抓住了我的脖子。

2、All of a sudden， right after the summer， Mother gets married突然，剛過夏天，媽媽就結婚了。

3、All of a sudden she didn't look sleepy any more.她突然看起來一點都不困了。