English version

have a one-track mind

From Longman Dictionary of Contemporary Englishhave a one-track mindhave a one-track mindOBSESSIONto be continuously thinking about one particular thing, especially sex one-track mind
Examples from the Corpus
have a one-track mindThat guy has a one-track mind.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.