The father of captive Israeli soldier Gilad Shalit is not optimistic about his son's release, despite a videotape published on Friday showing for the first time that he is alive and well.

VOA: standard.2009.10.03

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

That's not too wildly optimistic.

也不是过于乐观。

耶鲁公开课 - 死亡课程节选

The Caltech professor says he's optimistic about commercializing his new solar cell design because the manufacturing process should not require development of any new technologies.

VOA: standard.2010.02.19

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

Strauss-Kahn was not that optimistic about the outlook for the world economy.

VOA: standard.2009.04.26

The survey does not say which of APEC's 21 economies were surveyed, but says they are optimistic that trade finance will ease further in the next six months.

VOA: standard.2009.11.09

David Steinberg, a professor of Asian studies at Georgetown University, says he is not very optimistic that Burma's military government will respond positively to the new U.S.policy or release the country's more than two thousand political prisoners.

VOA: standard.2009.11.02