disappointed at

disappointed at的音标是[dɪsəˈpɔɪntɪdətəʊ]，基本翻译是“对…感到失望”。速记技巧是：dis-表示否定，-appoint表示“使…满意/失望”，-ed表示过去分词。

disappointed的词源为拉丁语dis-（否定前缀）和-plaudere（鼓掌）组合，表示“不鼓掌的”，引申为“感到失望的”。

变化形式：

1. disappointment（失望）

2. disappointed（失望的）

相关单词：

1. disappointment（失望） - 指对某事或某人的期望落空而感到失望。

2. disappointedly（失望地） - 用来修饰动词或形容词，表示带有失望的情绪。

3. undeserved disappointment（不应有的失望） - 指因不应受责备或批评而感到失望。

4. disappointedness（失望的性质） - 指失望的情感或状态。

5. disappointment of hope（失望的希望） - 指因希望落空而感到失望。

6. disappointment of expectation（失望的预期） - 指因预期未能实现而感到失望。

7. disappointment of trust（失望的信任） - 指因信任受损而感到失望。

8. disappointed soul（失望的心灵） - 指因失望而感到沮丧和无助的心灵状态。

9. disappointed person（失望的人） - 泛指因各种原因感到失望的人。

10. disappointed attitude（失望的态度） - 指一种消极或沮丧的态度，可能源于失望或沮丧的情绪。

短语：

1. be disappointed at sth

2. be disappointed with sb

3. be disappointed in sb

4. disappointed at sb"s behavior

5. disappointed at the outcome

6. disappointed at the result

7. disappointed at the delay

例句：

1. I was very disappointed at the news that my favorite team lost the game.

2. I was disappointed with my teacher for giving me a low grade.

3. I was disappointed in my friend for not keeping his promise.

4. I was disappointed at my parents for not supporting my decision to study abroad.

5. I was disappointed at the outcome of the project, as it fell short of our expectations.

6. I was disappointed at the result of the exam, as I had worked very hard but didn"t achieve the expected grade.

7. We were all disappointed at the delay in the project"s completion.

英文小作文：

I am disappointed with my progress in learning a new language, as I have not made much progress in my studies despite my efforts. However, I know that learning a language takes time and practice, and I will continue to work hard to improve my skills. Despite my disappointment, I am still determined to achieve my goal of becoming fluent in this language, and I am confident that with time and practice, I will succeed.