nán​jī​běi​dǒu

to have a hollow reputation

南箕北斗 nán​jī​běi​dǒu
to have a hollow reputation
literally referring to the Winnowing Basket in the south and the Big Dipper in the north; used to describe something that is well-known but lacks any practical use or fails to live up to its name.

Frequency

Written text
0.001 per million

Sources

Frequency data
BCC Corpus (BLCU)