But Professor Hatfull is hopeful this will take months and not years.

VOA: special.2009.03.25

I fully understand the value of what you are driving at, but frankly, the narrative as it now stands simply will not support a more general or hopeful conclusion.

但你的提议太含糊不清，说实话，你说的,无助于更好的结局。

耶鲁公开课 - 1945年后的美国小说课程节选

I'm not going to expand on this because I can't get into-- This is not a course in probability theory but I'm hopeful that you can see the formula and you can apply it.

我不准备拓展这一部分,毕竟这节课不是概率论,但我希望你们能记住这个公式,并且学会应用

耶鲁公开课 - 金融市场课程节选

They acknowledge they will not be able to prevent similar practices in the future, but they are hopeful their study will promote changes for the better.

VOA: standard.2009.03.21

Speaking to reporters with Irish Foreign Minister Michael Martin, Clinton said Pakistani leaders did not need her to tell them what was at stake in the political standoff, and that its resolution is a hopeful sign for the future.

VOA: standard.2009.03.16

"Even though we have slowed the loss of jobs,and today's report on the continued decline in unemployment claims is a hopeful sign, the economic growth that we have seen has not led to the job growth that we desperately need,"

VOA: standard.2009.11.12

The admiral says the situation in Iraq seemed impossible to resolve a few years ago, and,although the two countries are very different,and progress in Iraq is not a guarantee of progress in Afghanistan, it does give him reason to be hopeful about Afghanistan - even during the current period of heavy violence and at best,slow progress.

VOA: standard.2010.07.22