set mind on

set (one's) mind on (something)

To be resolutely or inflexibly determined to do or acquire something. When I was a little boy, I set my mind on becoming a fighter pilot. When Janie sets her mind on a new toy, she won't give us a moment's peace until we buy it for her.
See also: mind, on, set

set one's mind on someone or something

Fig. to be determined to get or have someone or something. I've set my mind on Dave. I have to have him on my team. Jamie set her mind on the red sports car.
See also: mind, on, set