one-track mind

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌone-track ˈmind noun have a one-track mind OBSESSIONto be continuously thinking about one particular thing, especially sex 脑子里只想着一件事〔尤指性事〕

Examples from the Corpus

one-track mind• Now, an animal has a one-track mind.• I was a fully equipped birdwatcher, very inexperienced, perhaps, but with a one-track mind.• But all my wit and wisdom were wasted on Karen's one-track mind.

ˌone-track ˈmind nounChineseSyllable

to about continuously be thinking Corpus one particular

one-track mind
ˌone-track ˈmind

noun
have a one-track mind to be continuously thinking about one particular thing, especially sex

one-track mind

BrE

/ˌwʌn træk ˈmaɪnd/

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NAmE

/ˌwʌn træk ˈmaɪnd/

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noun

[usually singular]

if sb has a one-track mind, they can only think about one subject (often used to refer to sb thinking about sex) 单向褊狭的思路；一根筋；满脑子只想着一件事（常指性爱）