- set one's heart on doing smth
- want very much
I set my heart on a nice holiday this winter but I won't be able to go because I have no money.
(from Idioms in Speech)implies to long for rather than to intend; to have at all costsWell, it's a mess. She's set her heart upon their boy. (J. Galsworthy)
Once let her make up her mind, get her heart set on smth, and you might as well howl at the moon. (D. Cusack)
"Why do you look so sick? Did you have your heart set on something? Tell me what it is," he urged. (M. Wilson)
The boy has set his heart on becoming an engineer.(Arakin 4, 110)
Idioms and examples. 2014.