zuān niújiǎojiān
Mandarin
Romanization
zuān
niújiǎojiān
(
Zhuyin
ㄗㄨㄢ ㄋㄧㄡˊ ㄐㄧㄠˇ ㄐㄧㄢ
)
Hanyu Pinyin
reading of
鑽牛角尖
/
钻牛角尖