He is not very hopeful about the outcome of the interview.

他对面试的结果不抱很大希望。

《牛津词典》

Being optimistic means being hopeful about the future.

乐观意味着对未来充满希望。

youdao

I am quite hopeful about the outcome of the interview.

我对面试的结果充满希望。

youdao

Here is a good reason to be hopeful about the future: it might help you stay alive.

VOA: special.2009.04.15

Mr.Van Ransselaer says he is hopeful about the future of foreign archeology there.

VOA: special.2011.03.08

Last year,President Obama's approval rating was high as Arabs were hopeful about his Middle East policies.

VOA: standard.2010.08.06

It has taken Selekman decades to come out, but he is hopeful about the future.

CNN: Coming out late in life complex but not unusual

She's hopeful about her next Ironside title, The Accomplice, to be released in September.

FORBES: Magazine Article

But young people like these have to make you hopeful about the future of our country.

WHITEHOUSE: President Obama Speaks at the 2013 White House Science Fair