How come you're so dense all of a sudden?

你怎么突然变这么愚蠢？

And all of a sudden, my own British accent seeps out.

突然间，我英国口音就蹦出来了。

When all of a sudden, Sweet 'n' Low?

突然间… .低糖吗？

All of a sudden, Mama is sick.

忽然，她不舒服了。

This is really serious all of a sudden.

这突然就变肃。

All of a sudden, we're bouncing around.

突然，我们飞机开始弹跳。

And then, all of a sudden, I get to go inside it.

在，我突然就置身其中了。

All of a sudden, everyone's just off.

大家忽然都不在状态。

All of a sudden, it got completely dark.

突然之间 四周一片黑暗。

All of a sudden, the phone starts to ring.

突然， 那个电话响起来了。

All of a sudden, he starts to slow down.

突然，他动作慢下来。

All of a sudden, a wing hit my head.

突然，一只翅膀袭击我头部。

All of a sudden, life divided into two groups.

不久生命开始分两个方向进化。

" The decision came upon us all of a sudden" .

" 这个决定突然做出。"

What, she's Dinah Shore all of a sudden?

她昨晚变身黛娜·萧尔了吗？

" Did it just happen all of a sudden, or—? "

“这件事突然发生，还——？”

But all of a sudden Lamp-Wick stopped laughing.

可突然间小灯芯止住了笑。

I have the worst headache all of a sudden.

我突然间头痛好厉害啊。

Why am i so sleepy all of a sudden?

为什么我突然这么瞌睡呢?

And all of a sudden we're going backwards.

突然间我们后退到从前。