set your heart on

set (one's) heart on (something)

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

set your heart (or hopes) on

have a strong desire for or to do.
See also: heart, on, set

set your heart on

decide you very much want to have.
See also: heart, on, set

set your ˈheart/ˈmind on something/on doing something

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have your heart/mind ˈset on something/on doing something

want something very much; want to do or achieve something very much: When she was a small girl, her heart was set on a horse of her own.He set his mind on becoming a doctor.I have my heart set on a new guitar.
See also: heart, mind, on, set, something