one-track mind

Idioms  

1. A mind limited to only one line of thought or action, as in All you think about is sex—you have a one-track mind. This expression, alluding to a train that runs only on one track or in one direction, was first recorded in 1928.

---

Example Sentences

“Zana definitely helps me be a little less one-track mind and enjoy what just happened,” he says.

From Los Angeles Times

The on-again-off-again relationship opens up Miranda's one-track mind.

From Salon

“You have a one-track mind, you know that?”

From Literature

“Such a one-track mind. That’s the way we’re going about things. Literally, whatever day we’re in, looking to get the most out of it, dominate the day, then we’re going to sleep tonight and wake up tomorrow and see if we can’t dominate that day,” he said.

From Seattle Times

“With everything going on, just showing how this team is able to kind of face adversity, kind of work through adversity, keep that one-track mind that we’ve been preaching all year. Just being able to be here at this point is a great feeling.”

From Washington Times