disappointment
/ˌdɪsəˈpɔɪntmənt/noun
mass noun
1- the feeling of sadness or displeasure caused by the non-fulfilment of one's hopes or expectations失望, 沮丧; 扫兴：
to her disappointment, there was no chance to talk privately with Luke.
让她失望的是, 没有机会和卢克私下谈谈。
1.1
- count noun a person, event, or thing that causes such a feeling令人失望的人（或事）：
the job proved a disappointment
这个工作被证实是令人失望的
I was a big disappointment to her.
我是个很让她失望的人。