all of a sudden

英 [ɔːl ɒv ə ˈsʌdn]

美 [ɔːl əv ə ˈsʌdn]

突然地;出乎意料地

英英释义

adv

happening unexpectedly
1. suddenly she felt a sharp pain in her side
Synonym:suddenlyof a sudden
without warning
1. all at once, he started shouting
Synonym:all at once

And all of a sudden, he is sixteen.
突然间，他变成了十六岁。
What's with her all of a sudden?
她怎么了突然间？
Why's he sick all of a sudden?
为什么他会突然病了？
And all of a sudden nobody cares about me.
突然就没人关心我了。
All of a sudden there was a terrific bang and a flash of smoke.
突然传来惊天动地一声响，还冒出一股烟。
'So why did he get interested all of a sudden?' — 'Search me.'
“那他为什么突然感兴趣了？”——“我怎么知道。”
All of a sudden, right after the summer, Mother gets married
突然，刚过夏天，妈妈就结婚了。
All of a sudden, they lost their balance and fell in.
冷不防，他们失去了平衡掉进了枯井。
All of a sudden you notice your heart is gone.
突然你发现你的心消失了。
And all of a sudden he shows up?
突然之间他又出现了？