no one is interested; nobody cares to ask anything about; to be deserted by everyone
Definitions (粵典–words.hk)
語句
冇人有興趣 to have nobody interested in; literally: nobody asks
佢嘅發明雖然好特別,但係唔實用,所以一直都無人問津。
佢嘅发明虽然好特别,但系唔实用,所以一直都无人问津。
keoi5 ge3 faat3 ming4 seoi1 jin4 hou2 dak6 bit6, daan6 hai6 m4 sat6 jung6, so2 ji5 jat1 zik6 dou1 mou4 jan4 man6 zeon1. Although his invention is very special, it's not practical. Therefore nobody has been interested in it until now.
Definitions (Wiktionary)
phrase, idiomatic
nobody is interested; unpopular; unattractive