意思：非常令人失望的，让人感到极其沮丧的。(very disappointing, causing extreme disappointment)

怎么读：[səʊ ˌdɪsəˈpɔɪntɪŋ]

用法：so_disappointing是一个形容词短语，用来描述令人失望的事物或情况。它可以修饰名词，也可以作为主语或宾语出现在句子中。

例句1：

- The movie's ending was so disappointing that I regretted spending money on a ticket.

（这部电影的结局太令人失望了，我后悔花钱买票。）

- The team's performance in the final game was so disappointing that their fans left the stadium early.

（球队在最后一场比赛中的表现太让人失望了，他们的粉丝提前离开了体育场。）

例句2：

- It's so disappointing to see all of our hard work go to waste because of one careless mistake.

（因为一个粗心大意的错误，看到我们所有的辛勤工作付诸东流真是太令人失望了。）

- The food at this restaurant is always so disappointing, I don't understand why people keep coming back.

（这家餐厅的食物总是让人很失望，我不明白为什么还有人会再来。）

例句3：

- I had such high expectations for this book, but it turned out to be so disappointing.

（我对这本书期望很高，但结果却让人非常失望。）

- The weather forecast said it would be sunny all week, but the constant rain has been so disappointing.

（天气预报说整个星期都会是晴天，但持续的雨让人太失望了。）

例句4：

- It's so disappointing that we won't be able to go on our trip because of the pandemic.

（因为我们不能去旅行，这真是太令人失望了。）

- The company's decision to downsize was so disappointing for all of the employees who were laid off.

（公司裁员的决定让所有被解雇的员工都感到非常失望。）

例句5：

- I was really looking forward to trying this new restaurant, but the food was so disappointing that I don't think I'll go back.

（我很期待尝试这家新餐厅，但食物太令人失望了，我觉得不会再去了。）

- The students were so disappointed when their field trip was cancelled due to bad weather.

（学生们因为天气原因取消实地考察而感到非常失望。）

同义词及用法：

1. Disheartening (使人沮丧的)：与so_disappointing意思相近，也可以用来描述令人失望的事物或情况。

例句：The team's loss in the championship game was disheartening for their fans.（球队在冠赛中的失利让他们的粉丝感到沮丧。）

2. Frustrating (令人沮丧的)：也可以用来形容令人失望的事物，但更强调因为无法达到预期目标而产生的挫败感。

例句：It's so frustrating to study hard for a test and still fail.（努力学习考试却依然失败真是太令人沮丧了。）

3. Displeasing (令人不快的)：与so_disappointing意思相近，但更偏重于描述令人不满意或不愉快的事物。

例句：The service at this restaurant is always displeasing, I don't know why people keep coming back.（这家餐厅的服务总是让人不满意，我不明白为什么还有人会再来。）

4. Unsatisfactory (不令人满意的)：也可以用来形容令人失望的事物，但更强调对结果或表现不满意。

例句：The quality of the product was unsatisfactory, so I returned it to the store.（产品质量不符合要求，所以我把它退回商店了。）

编辑总结：

so_disappointing是一个常用的形容词短语，用来描述极其让人失望的事物或情况。它可以用来修饰名词，也可以作为主语或宾语出现在句子中。与其意思相近的同义词有disheartening、frustrating、displeasing和unsatisfactory。在使用时，可以根据具体语境选择合适的词语来表达失望的程度。