draw a bead on

verbs

aim with a gun
"The hunter drew a bead on the rabbit"
is a type of (narrower)
point or cause to go (blows, weapons, or objects such as photographic equipment) towards
"Please don't aim at your little brother!"; "He trained his gun on the burglar"; "Don't train your camera on the women"; "Take a swipe at one's opponent"
have an ambitious plan or a lofty goal