One-Tack Mind 9 u2 h% M/ Y( j) d$ k; y) o+ z O( A
Meaning: Tendency to think about only one subject 7 a1 p# u* U6 g: x9 x9 _" k- {& q! f- T2 U1 F* M `( i- a1 i
Example / T; O; y9 e$ T) X# N3 M0 |0 ?- z( K1 r
My son has a one -track mind these days. He thinks only about cars.