crestfallen
adj. 垂头丧气的，气馁的
例句
"He did it awfully well," said the crestfallen Rat.
“他装得太好了。”水鼠垂头丧气地说。
He gathered himself up and sneaked off, crushed and crestfallen.
他爬起来，偷偷溜走了，他被压垮了，垂头丧气。
Hamilton looks crestfallen.
汉密尔顿看起来垂头丧气。
