train sights on

train (one's) sights on (someone or something)

To identify, regard, or focus on someone or something as one's goal or desire. Every since she was a little girl, Janet has trained her sights on being a fighter pilot. They're training their sights on you to be their new head of marketing.
See also: on, sight, train
Farlex Dictionary of Idioms.

train one's sights on something

 and have one's sights trained on something
Fig. to have something as a goal; to direct something or oneself toward a goal. (Alludes to someone using the sights of a gun to aim it. Note plural use of sights.) You should train your sights on getting a promotion in the next year. Lisa has her sights trained on a new car.
See also: on, sight, train
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • train (one's) sights on (someone or something)
  • have (one's) sights trained on (someone or something)
  • set (one's) sights on (someone or something)
  • set one's sights on
  • set sights on
  • set your sights on
  • set your sights on something
  • set your sights on something/on doing something
  • set one's sights on, to
  • in (one's) sights