Being optimistic means being hopeful about the future.

乐观意味着对未来充满希望。

youdao

So let us be loving, hopeful and optimistic. And we'll change the world.

让我们互爱、乐观、满怀希望，我们必能改变世界。

youdao

Researchers find that religious people are more optimistic and hopeful and less vulnerable to stress and depression.

研究人员发现信教的人更乐观，更充满希望，更不易受到压力和抑郁。

youdao

They are optimistic and hopeful.

NEWYORKER: Hellhole

No, you wrote that you're not particularly optimistic or more hopeful than when you left on this assignment.

NPR: Kevin Sites Seeks the 'Hot Zone'

"We're hopeful and optimistic, " says Ingram.

FORBES: Selling Sausage Across State Lines