描写失望的词语、句子

大失所望
垂头丧气
沮丧
对不起啦，只知道这么多

词语despair despond disappointment letdown despondency
The doctors could hold out no hope of his recovery.
Our despondency was complete.
His refusal to help us was disappointing
We have no reason to despair
I feel very letdown about my mark

despair despond disappointment letdown despondency
The doctors could hold out no hope of his recovery.
Our despondency was complete.
His refusal to help us was disappointing
We have no reason to despair
I feel very letdown about my mark