He hears a noise at the window. Here is the beginning of the poem: Once upon a midnight dreary, while I pondered,weak and weary,Over many a quaint and curious volume of forgotten lore -- While I nodded,nearly napping, suddenly there came a tapping, As of some one gently rapping -- rapping at my chamber door.

VOA: special.2010.10.31

And once you hit puberty, suddenly there's huge variation in the abilities you have to learn language.

一旦你到了青春期,学习语言的能力会在突然间,发生巨大的变化

耶鲁公开课 - 心理学导论课程节选

And suddenly there are dozens and dozens of competing expressions of religious truth, and so you have a new proliferation of new religions and new religious ideas that comes about as the immediate product of the freedom of the press.

突然有许多许多,与之相对抗的宗教真理，所以我们有了迅速增多的新的宗教,和新的宗教观念,随着出版自由而产生的产物。

耶鲁公开课 - 弥尔顿课程节选

An eyewitness gave this account to Israel Radio: (SAYING) "Suddenly there was a boom, as if the rocket was falling on my head."

VOA: standard.2010.07.30

Just a couple of months ago London seemed to be soaring and now suddenly there's this pessimistic atmosphere because we don't know what's going to happen in London.

仅仅数月之前,伦敦房价还一路高歌,忽然之间市场一片愁云惨淡,我们不知道伦敦的未来状况

耶鲁公开课 - 金融市场课程节选

"As long as Gilad Shalit is there it is going to be very difficult for any Israeli government to suddenly say ok, we are going to change our policy.

VOA: standard.2010.06.10

Suddenly there's a mountain.

比如,有一座山

耶鲁公开课 - 基础物理课程节选

Now consider suppose a whole another 500 people walk into this room suddenly, now there's 1,000 people.

现在假设教室又进来500人,总数就成了1000人。

哈佛公开课 - 计算机科学课程节选

After that, they suddenly in some children saw the potential that was there all along.

之后，突然他们在一些孩子身上,看到一直都有的潜力。

哈佛公开课 - 幸福课课程节选

Here it goes in the middle, and if you look carefully there, I didn't really make it clear enough, you can see, suddenly a strategy that looked crazy shooting to the middle, that suddenly started to seem okay.

这是中路射门的情况,如果你仔细看,我可能画的不是很清楚,你会发现曾经卖傻似的中路射门法,现在竟然一下子变成香饽饽了

耶鲁公开课 - 博弈论课程节选

Suddenly, looking through the optic glass, one could see valleys, it seemed to have rivers, and there were mountains.

突然，通过厚厚的玻璃，我们可以看见，月亮上似乎有河流，高山。

耶鲁公开课 - 弥尔顿课程节选

There's always a risk that investors will suddenly want their money back.

风险无时不在,投资者会突然要求撤回资金

耶鲁公开课 - 金融市场课程节选

Suddenly, you are told there is a law.

突然,你得知有一个定律

耶鲁公开课 - 基础物理课程节选