all of a sudden

基本解释

And, all of a sudden, they were disappearing.
但是，突然之间他们全部消失了。
Then, bit by bit, his back uncurls and straightens until all of a sudden there is he, upright, truly a man.
然后，他的背部一点一点地舒展和拉直，直到突然他变成一个真正的直立的男人。
But what if all of a sudden, the only sacrifice is the age or success level of your boyfriend or some guy you occasionally hang out with?
他说：“但要是突然间，你唯一要做的牺牲就是你男朋友或是那个偶尔约会的人的年纪跟成功程度，又会如何？

Then all of a sudden Smiley's dog would grab that other dog by his back leg and hang on till the men said it was over.
Almost more than anything else for me, it's fully being aware of the moment and it seems so rich all of a sudden.
任何一切对我而言，都是要全心留意当下,一瞬间一切好像丰盈起来。
普林斯顿公开课 - 人性课程节选
Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.
砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。
麻省理工公开课 - 固态化学导论课程节选

And all of a sudden, it came so crystal clear to me who this guy was.
WHITEHOUSE: Remembering Senator Robert Byrd