動(dòng)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(gè)人在絕望時(shí)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(gè)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?cè)卩l(xiāng)下的生活會(huì)像天堂那樣美麗，那你是會(huì)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(gè)失望的謀求官職者槍擊

【引伸】
dis.appoint.edly
adv.（副詞）