无人问津

無人問津
rénwènjīn
to be of no interest to anyone (idiom)

CEDICT

nobody is interested; unpopular; unattractive

Wiktionary

没有询问渡口陶渊明桃花源〉:「南阳高尚欣然亲往未果问津。」比喻事物冷落无人探问》:「而后门户无人问津。」

重編國語辭典

Entry Composition