one-track mind

US /ˈwʌnˌtræk ˈmaɪnd/
UK /ˈwʌnˌtræk ˈmaɪnd/
"one-track mind" picture
1.

pikiran satu jalur, pikiran sempit

a mind that thinks about one particular thing and nothing else

:
He's got a one-track mind when it comes to cars.
Dia punya pikiran satu jalur kalau soal mobil.
All she talks about is her new project; she has a real one-track mind.
Yang dia bicarakan hanyalah proyek barunya; dia benar-benar punya pikiran satu jalur.