have (one's) heart set on (something)

have (one's) heart set on (something)

To have a strong (and sometimes inflexible) desire for something, especially something one expects to happen or be attained soon. We all had our hearts set on traveling to Spain for the summer, until Lizzy broke her leg and we had to cancel the trip. I wanted to spend the money on a new car, but my husband had his heart set on getting new furniture for the living room.
See also: have, heart, on, set
Farlex Dictionary of Idioms.

have one's heart set on something

Fig. to be desiring and expecting something. Jane has her heart set on going to London. Bob will be disappointed. He had his heart set on going to college this year.
See also: have, heart, on, set
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (one's) heart is set on (something)
  • (I) wouldn't (do something) if I were you
  • a fast talker
  • a slew of (something)
  • a/the feel of (something)
  • (one) won't hear of (something)
  • all right
  • a horse of another
  • a horse of another color
  • a horse of another colour