1580s, past participle adjective, but the verb crestfall is recorded only from 1610s, in reference to diseased horses, and is rare. It's possible that the image behind this use of the word is not cocks, as often is asserted, but horses.
雙語例句
1. He gathered himself up and sneaked off, crushed and crestfallen.
他爬起來,偷偷地溜了,一副垂頭喪氣 、 被斗敗的樣子.
來自英漢文學 - 湯姆歷險
2. The youth looked exceedingly crestfallen.
那青年看上去垂頭喪氣極了.
來自英漢文學 - 嘉莉妹妹
3. The individual to whom the manager had been talking went away quite crestfallen.
和經理談話的那人垂頭喪氣地走了.
來自英漢文學 - 嘉莉妹妹
4. Look at that crestfallen child, I very for his distress.
看著那沒精打采的孩子, 我很為他悲哀.
來自互聯網
5. Poor Passepartout, quite crestfallen, followed his master without a word.