名不符实 reputation does not match reality
Explanation
名不符实指名声或评价与实际情况不相符，多用于形容某种事物或人的名气很大，但实际情况却远不如名声那样好。
The idiom "míng bù fú shí" (名不符实) means that the reputation or evaluation does not match the actual situation. It is often used to describe something or someone who has a great reputation, but the actual situation is far less impressive than their reputation.
Origin Story
从前，有一个村庄，以盛产一种名为“仙果”的果子而闻名。这种果子据说吃了能延年益寿，因此吸引了无数人慕名而来。然而，当人们来到村庄，却发现所谓的“仙果”不过是一种普通的水果，远不如传闻中那般神奇。村庄的“仙果”名不符实，最终导致了村民的失望，也让村庄失去了往日的辉煌。这个故事警示人们，要脚踏实地，实事求是，不能为了追求虚名而弄虚作假。
Once upon a time, there was a village famous for producing a fruit called "immortal fruit." This fruit was said to prolong life and improve health, attracting countless people. However, when people arrived at the village, they found that the so-called "immortal fruit" was just an ordinary fruit, far less magical than the rumors. The village’s reputation was undeserved and eventually led to the villagers’ disappointment.
Usage
该成语主要用于形容名声与实际情况不相符，多用于批评或讽刺。
This idiom is mainly used to describe a situation where reputation does not match reality, often used in criticism or satire.
Examples
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这家店的菜名不符实，菜品很一般。
zhějiādiàndecàimíngbùfúshí, càipǐnhěnyībān
The dishes in this restaurant are not as good as the name suggests.
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他的简历名不符实，很多内容都是夸大的。
tādejianlǐmíngbùfúshí, hěnduō nèiróngdōushìkuādàde
His resume is misleading; a lot of the information is exaggerated.