One-track mind
01
单向思维, 执念
used of a person whose mind is busy with the thought of a particular person or thing and cannot think of anyone or anything else
Idiom
Informal
例子
He has a one-track mind when it comes to fitness; he's constantly talking about workouts and nutrition.
当谈到健身时，他有一个单向思维；他不断谈论锻炼和营养。
She has a one-track mind for success; her entire focus is on climbing the corporate ladder.
她对成功有着一心一意的头脑；她的全部注意力都集中在攀登企业阶梯上。
