动词 disappoint 表示“使失望”，常用于表达未能满足期望或希望落空的情境。以下是几个常见搭配及用法。
1. disappoint someone
使某人失望（最基础的用法）。
- I don't want to disappoint my parents.（我不想让父母失望。）
- The movie disappointed many fans.（这部电影让很多影迷失望了。）
2. be disappointed in / with someone or something
对某人/某事感到失望（注意介词使用）。
- She was disappointed in her son's behavior.（她对儿子的行为感到失望。）
- We're disappointed with the service at that restaurant.（我们对那家餐厅的服务感到失望。）
3. be disappointed to do something
做某事时感到失望。
- I was disappointed to hear you couldn't come.（听说你不能来，我很失望。）
- He was disappointed to lose the game.（输掉比赛让他很失望。）
4. never disappoint
表示“从不令人失望”，常用于褒义。
- This coffee shop never disappoints.（这家咖啡馆从不让人失望。）
5. bitterly / deeply / sorely disappointed
强调失望的程度。
- They were bitterly disappointed by the result.（他们对结果深感失望。）
- I'm deeply disappointed in your decision.（我对你的决定非常失望。）