「鑽牛角尖」

(pos:動詞)
<explanation>
yue:執着喺一啲問題，困擾住自己; 想法極端、偏執而唔識變通
eng:to become frustrated by focusing too much on some issue; to be fixated on extreme ideas; to split hairs; literally: to drill an ox horn
<eg>
yue: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.)
eng:Do not get yourself into a dead end. Go to talk to someone else.