钻牛犄角

Traditional (Taiwan): 鑽牛犄角

zuānniújījiǎo ㄗㄨㄢ ㄋㄧㄡˊ ㄐㄧ ㄐㄧㄠˇ

    • to get stubbornly stuck on a point that leads nowhere

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
to bore into an ox's horn
Meaning
Same as 钻牛角尖: to get stubbornly stuck on a point that leads nowhere.

Sources