1
general::
Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs