SAD/UNHAPPYfeeling sad and disappointed, especially because you have tried to achieve something but have failed 情绪低落的,垂头丧气的
When no replies came, I began to feel downhearted.
一点回应都没有,我开始感到灰心了。
Examples from the Corpus
downhearted• When no job offers came, I began to feel downhearted.• All the talk of weddings made Anne feel downhearted and impatient with the secrecy that Johninsisted on.