míng​bù​fù​shí

unsubstantiated

名不副实 (名不副實) míng​bù​fù​shí
unsubstantiated idiom
An excellent theory or plan that is not supported or borne out by practical application or results.
unworthy idiom
The name or reputation of something does not reflect its actual quality or reality; more in name than in fact.

Frequency

Movie subtitles
0.210 per million appears in 0% of films
Written text
0.439 per million

Sources

Definitions
CC-CEDICT