鑽牛角尖 [钻－－－]

Jyutping zyun3 ngau4 gok3 zim1
Pinyin zuān niú jiǎo jiān

Definitions (粵典–words.hk)
  1. 動詞
    執​着​喺​一​啲​問​題​，​困擾​住​自己
    to become frustrated by focusing too much on some issue; to split hairs; literally: to drill an ox horn
    • 你唔好自己一個人喺度鑽牛角尖啦，有咩就同人講下。
      你唔好自己一个人喺度钻牛角尖啦，有咩就同人讲下。
      nei5 m4 hou2 zi6 gei2 jat1 go3 jan2 hai2 dou6 zyun3 ngau4 gok3 zim1 laa1, jau5 me1 zau6 tung4 jan4 gong2 haa5.
      Do not get yourself into a dead end. Go to talk to someone else.

鑽牛角尖 [钻－－－]

Jyutping zyun1 ngau4 gok3 zim1
Pinyin zuān niú jiǎo jiān

Definitions (CC-CEDICT)
  1. lit. to penetrate into a bull's horn (idiom); fig. to waste time on an insoluble or insignificant problem
  2. to bash one's head against a brick wall
  3. a wild goose chase
  4. a blind alley
  5. to split hairs
Definitions (Wiktionary)
  1. verb, idiomatic
    to split hairs; to go down a dead end
    (syn.) 鑽牛角尖, 鑽牛角仔縫, 鑽牛犄角, 鑽牛角, 鑽牛角尖兒
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    你唔好自己一个人喺度钻牛角尖啦，有咩就同人讲下。
    你唔好自己一個人喺度鑽牛角尖啦，有咩就同人講下。
    nei5 m4 hou2 zi6 gei2 jat1 go3 jan2 hai2 dou6 zyun3 ngau4 gok3 zim1 laa1, jau5 me1 zau6 tung4 jan4 gong2 haa5.
    • Do not get yourself into a dead end. Go to talk to someone else.