train sights on

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