He was feeling a shade disappointed.

他略感失望。

《牛津词典》

He was so disappointed that he drove off in a huff.

他失望至极，愤然开车离去。

《柯林斯英汉双解大词典》

He struck straight through the forest, hoping to pierce to a road presently, but he was disappointed in this.

他径直穿过森林，希望很快就能找到一条路，但他失望了。

youdao

World Health Organization Director-General Margaret Chan says she is disappointed a deal on climate change was not struck in Copenhagen.

VOA: standard.2010.01.02

And archaeologists for a long time were convinced that they would find these destruction layers. But they were disappointed.

考古学家在很长一段时间都相信,他们能找到那些被摧毁的层面，但他们失望了。

耶鲁公开课 - 旧约导论课程节选

So yeah, I'm kind of, a little bit disappointed,

所以，是的，我有一点沮丧，

寻找幸福 - SpeakingMax英语口语达人

They have been disappointed a couple of times before, and know the president's schedule can suddenly change.

ECONOMIST: South-East Asian summitry

Comhairle nan Eilean Siar's chairman of transportation, Donald Manford, said he was disappointed a route from the isles to the mainland had not been included.

BBC: NEWS | UK | Scotland | Highlands and Islands | CalMac ferry contract confirmed

We're obviously disappointed a grand jury indicted him.

CNN: Drew Peterson saga moves to the courtroom Tuesday