One-Tack Mind ( W# l( N- h6 _7 I$ N' p+ y* Y" Z1 ]' u& m" N1 i5 C$ @9 G
Meaning: Tendency to think about only one subject( b F1 C" q& l5 Z
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Example 3 N. j3 P( _4 F; @ " X2 t9 T1 T3 y" D' jMy son has a one -track mind these days. He thinks only about cars.