動詞 disappoint:

1. fail to meet the hopes or expectations of
   同義詞：disappoint, let down

形容詞 disappointed:

1. disappointingly unsuccessful
   同義詞：defeated, discomfited, foiled, frustrated, thwarted

1. I was more disappointed than discouraged.
   我是失望，而不是泄氣。
2. Tom was no more surprised than (he was) disappointed at this news.
   湯姆聽見那消息既不驚訝也不失望。
3. I'm very disappointed.
   真讓我失望。
4. A person is most disappointed when he is in despair.
   一個人在絕望時最失望。
5. The result disappointed him.
   結(jié)果使他失望。
6. President James A. Garfield was shot by a disappointed office seeker on July2,1881.
   1881年7月2日，詹姆斯·A·加菲爾德總統(tǒng)被一個失望的謀求官職者槍擊
7. If you were expecting our life in the country to be the New Jerusalem, you're going to be very disappointed.
   如果你期望我們在鄉(xiāng)下的生活會像天堂那樣美麗，那你是會非常失望的。
8. The condition or feeling of being disappointed.
   失望，掃興失望的狀態(tài)或沮喪的感覺

dis.ap.point.ed

adj.（形容詞）
Thwarted in hope, desire, or expectation:
失望的；受挫的：希望、愿望或期望受挫折的：
例句：
President James A. Garfield was shot by a disappointed office seeker on July 2, 88.
88年7月2日，詹姆斯·A·加菲爾德總統(tǒng)被一個失望的謀求官職者槍擊

【引伸】
dis.appoint.edly
adv.（副詞）