For many years, popular singer Dinah Shore invited optimistic post-war Americans to take to the highway and see their country in a Chevrolet.

VOA: special.2011.07.21

If I charged the reactor in this manner, and of course I'm assuming 100% completion of the reaction which we know is overly optimistic.

如果我们这样来考虑这个反应的前提，就是我们假设,反应完全进行,我们知道这有些过于乐观了。

麻省理工公开课 - 固态化学导论课程节选

Well, I think that you should definitely be very optimistic because

嗯，我想你当然应该很乐观，因为

事业就是挑战 - SpeakingMax英语口语达人

We all have our times, but I do tend to have an optimistic attitude."

VOA: special.2009.12.21

So quickly I realized that we were too optimistic about the future of Internet in China.

很快我就意识到,对于中国互联网的未来看的太过乐观。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

She said the study confirmed earlier research that linked optimistic feelings to longer life.

VOA: special.2009.04.15

That may or may not work -- I'm not optimistic -- but at least it's the same idea. We're changing payoffs.

这似乎无济于事,我对此也并不乐观,但至少我们得承认,它改变了收益

耶鲁公开课 - 博弈论课程节选

As officials assess the damage, Chief Fiu John Saelua says people of the village are optimistic, despite their losses.

VOA: standard.2009.10.04

Perhaps you are a little bit more optimistic, a little bit more utopian-- human nature can be improved.

也许你更乐观，更加乐天，人性可以改善。

哈佛公开课 - 幸福课课程节选

Senegar-Mitchell says she has her own reasons to feel optimistic about the future of bioscience education in American schools.

VOA: standard.2009.11.25

I'm optimistic about the audio equipment and about our slide material and things such as that.

我对我们的音响设备,和我们的投影材料等都很有信心

耶鲁公开课 - 聆听音乐课程节选

"I am optimistic,". "So as usual in our culture, the first week is always a week of observation.

VOA: standard.2010.02.01

It would seem that the Elder Brother and his sister were way too optimistic in their assessment of the protected status of the virtuous poet and the protected status of the virgin, the favored role of the poet. Virginity does nothing.

似乎《科玛斯》中哥哥和他的妹妹认为,贞洁的诗人，未失童真的诗人自然会受到保护,的想法太过乐观了，贞洁无能为力。

耶鲁公开课 - 弥尔顿课程节选

BHP Billiton, the world's largest mining company, also is optimistic in its latest assessment of key commodity markets.

VOA: standard.2010.01.21

All right, so I'm going to be optimistic.

好了，我现在乐观假设。

耶鲁公开课 - 死亡课程节选

He said the country could see its gross domestic product grow by 2.5 to five percent in 2010, "in an optimistic scenario."

VOA: standard.2009.12.25

But what of it? Think as long as you can though the artist throw out the negativism in reality by means of his art. And so he ends up with this very optimistic point of view.

但这有什么关系呢？，好好地想一想,尽管这个艺术家在现实中通过艺术,驱逐了消极主义,因此他最终形成了这种乐观的观点。

麻省理工公开课 - 电影哲学课程节选

The Ministry of Health's Lo is optimistic that the new data will show an improvement in the rate.

VOA: standard.2009.11.10

The optimistic thing is I think that we have a very good Fed chairman and we have coordinated efforts by central banks around the world and we're doing things that are attempts to prevent the collapse of the financial institutions.

积极的方面在于,我认为我们有一个很优秀的美联储主席,并且我们有世界各地的中央银行,协调的努力,而且我们正做着试图,阻止金融机构崩溃的事情。

耶鲁公开课 - 金融市场课程节选

Swan is optimistic that humans can take the necessary collective steps to address climate change and put the brakes on global warming.

VOA: standard.2009.12.10

m not that as optimistic in predicting how things would get wonderful in a couple of years.

嗯，我倒不是那么乐观，Well，，I’,觉得情态会转好,在未来几年时间里。

斯坦福公开课 - 经济学课程节选

He says the two words "really defined the joyous, optimistic and uplifting spirit that seemed to show itself while making the album."

VOA: standard.2009.04.19

I'm frankly not that optimistic about that part of it.

我对此并不抱很大希望。

普林斯顿公开课 - 国际座谈会课程节选

Despite the crises the country faced, Atul Khare,the U.N.special representative for East Timor, is optimistic about its future.

VOA: standard.2009.08.27

I think you need to be more optimistic.

我觉得你需要更乐观一点。

There is 实战 - SpeakingMax英语口语达人

Arporn Chewrekrengkai, chief economist with the Government Pension Fund, has revised her optimistic outlook for tourism this year.

VOA: standard.2010.03.27

I think in some ways my hope is, maybe it's more just my optimistic spirit, my hope would be that Muslims would feel like this is the place where they could really thrive within their Muslim identity, and yet be part of the American dream.

我的希望是，这也许只是我的一厢情愿,穆斯林人民能觉得这片土地才是,穆斯林民族保持传统,繁荣昌盛的地方，但仍然是美国梦的一部分。

普林斯顿公开课 - 人性课程节选

New Delhi Chief Minister Shiela Dikshit says they are a little nervous, but she is optimistic the city will successfully host the Games.

VOA: standard.2009.09.14

Major: happy, bright, optimistic, a day like today.

大调,愉悦,开明,乐观,就像今天

耶鲁公开课 - 聆听音乐课程节选

Kind of an optimistic, I suppose?

我猜有点乐天派？

哈佛公开课 - 幸福课课程节选