我对这些问题的看法虽然谨慎但坚定而乐观。

My perspective is of cautious but resolute optimism.

youdao

这些却让社会企业家们跃跃欲试，热切而乐观。

All of which makes social entrepreneurs, well, intensely-even passionately-optimistic.

youdao

而乐观者为了能找到更好的生存环境能抓住机会。

The optimists cannot ignore the opportunity to find a better tree.

youdao

The speech is more than just a pious bit of optimism like a lot of the speeches, in fact, that the other brother has given us.

不同于戏中弟弟的很多演说,哥哥的这段话不是虔诚于贞操而盲目乐观。

耶鲁公开课 - 弥尔顿课程节选

And in between the optimists on the one hand and the pessimists on the other, you've got moderates who say, " "It varies.

而在乐观主义者,与悲观主义者之间，还有折中主义者认为，“这要看情况。

耶鲁公开课 - 死亡课程节选

Half of them receive a kind of unfavorable evaluation.

而另一半的结果不容乐观。

耶鲁公开课 - 心理学导论课程节选