disappointed/ˌdɪsə'pɔɪntɪd/

a. sad because sth does not happen or is not as good as expected

a. 失望的，沮丧的：[disappointed (that) ...] We are disappointed that our team didn't win. 我们队没有赢，我们感到失望。

◇[disappointed to hear/see/find] I was disappointed to find that the train had left. 发现火车已离开，我很沮丧。

◇[be disappointed at（或by）sth] We're disappointed at the result of the experiment 我们对实验结果很失望。

◇[disappointed in（或with）sb/sth] I'm disappointed in you. 我对你感到失望。

构词disappoint + -ed

常犯错误

✗ I disappoint at the performance.

✓ I am disappointed at the performance. 我对演出感到失望。

[✌disappoint意为“使…失望”，不是“感到失望”]