Example 1: 他的表现让我很失望。
Pinyin: Tā de biǎoxiàn ràng wǒ hěn shīwàng.
English: His performance made me very disappointed.
Analysis: This uses the `让 (ràng)` structure, highlighting that his performance was the *cause* of the disappointment. This is a very common way to express being let down by something or someone.
Example 2: 我对这次的考试结果感到失望。
Pinyin: Wǒ duì zhè cì de kǎoshì jiéguǒ gǎndào shīwàng.
English: I feel disappointed with this exam's result.
Analysis: This uses the `对 (duì)` structure to specify what the speaker is disappointed *with*. The verb 感到 (gǎndào - to feel) adds emphasis on the internal emotion.
Example 3: 别担心,我不会让你失望的。
Pinyin: Bié dānxīn, wǒ bù huì ràng nǐ shīwàng de.
English: Don't worry, I won't let you down.
Analysis: A classic and very useful phrase. This is a promise or reassurance. The final 的 (de) adds a sense of certainty.
Example 4: 电影的结局有点儿失望。
Pinyin: Diànyǐng de jiéjú yǒudiǎnr shīwàng.
English: The movie's ending was a bit disappointing.
Analysis: Here, 失望 functions as an adjective describing the ending. 有点儿 (yǒudiǎnr) softens the criticism, making it sound more casual.
Example 5: 他的脸上露出了失望的表情。
Pinyin: Tā de liǎn shàng lùchū le shīwàng de biǎoqíng.
English: A disappointed expression appeared on his face.
Analysis: In this sentence, 失望 acts as an adjective modifying “expression” (表情). This shows its use in descriptive narrative.
Example 6: 虽然我们输了比赛,但不要失望,我们下次会赢回来。
Pinyin: Suīrán wǒmen shūle bǐsài, dàn bùyào shīwàng, wǒmen xià cì huì yíng huílái.
English: Although we lost the game, don't be disappointed, we'll win it back next time.
Analysis: A great example of using 失望 in a motivational context, telling someone not to lose hope.
Example 7: 我一次又一次地相信他,但他每次都让我失望。
Pinyin: Wǒ yī cì yòu yī cì de xiāngxìn tā, dàn tā měi cì dōu ràng wǒ shīwàng.
English: I trusted him again and again, but he let me down every time.
Analysis: This sentence conveys a sense of chronic disappointment and frustration.
Example 8: 我对他已经彻底失望了。
Pinyin: Wǒ duì tā yǐjīng chèdǐ shīwàng le.
English: I am completely disappointed in him. / I have completely lost hope in him.
Analysis: The adverb 彻底 (chèdǐ - completely, thoroughly) intensifies 失望 to its maximum degree. This is a very strong and final-sounding statement.
Example 9: 这家餐厅的食物和服务都令人失望。
Pinyin: Zhè jiā cāntīng de shíwù hé fúwù dōu lìng rén shīwàng.
English: This restaurant's food and service were both disappointing.
Analysis: 令人 (lìng rén) is a more formal equivalent of 让 (ràng), often seen in written reviews or more formal speech. It means “to make people feel…”
Example 10: 看到孩子们失望的眼神,他心里很难过。
Pinyin: Kàndào háizimen shīwàng de yǎnshén, tā xīnli hěn nánguò.
English: Seeing the disappointed looks in the children's eyes, he felt very sad in his heart.
Analysis: This sentence perfectly illustrates the relationship between 失望 and 难过 (nánguò - sad). The disappointment is the cause, and the sadness is the resulting feeling.