基本含义
disappointed 是形容词，表示“感到失望的”，通常用来描述人的情绪状态，即某人因为期望未实现而感到失落或沮丧。
常见结构
- be disappointed at / about + 名词/动名词：对某事感到失望
例：She was disappointed about the cancellation of the concert. - be disappointed with + 人或事物：对某人或某物感到失望
例：I’m disappointed with your performance. - be disappointed that + 从句：因……而感到失望
例：He was disappointed that he didn’t pass the exam. - be disappointed to do something：做某事时感到失望
例：We were disappointed to hear the news.
例句参考
- I was really disappointed when my team lost the match.
- They were disappointed with the quality of the product.
- She looked disappointed after reading the letter.
- We’re disappointed that you can’t join us.
常见误区
注意区分 disappointed（感到失望的）和 disappointing（令人失望的）：
disappointed描述人的感受：
“I am disappointed.”（我感到失望。）disappointing描述事物的性质：
“The movie was disappointing.”（这部电影令人失望。）
小结
正确使用 disappointed 能更准确地表达情绪。记住：它是描述“人”的感受，搭配介词需根据语境选择 at、with、about 或直接接从句。