draw a bead on vs take aim

draw a bead on and take aim both are verbs.

Word	Noun	Adjective	Verb	Adverb
draw a bead on	No	No	Yes	No
take aim	No	No	Yes	No

As verbs, take aim is a hypernym of draw a bead on; that is, take aim is a word with a broader meaning than draw a bead on:

draw a bead on: aim with a gun
take aim: point or cause to go (blows, weapons, or objects such as photographic equipment) towards

Other hypernyms of draw a bead on include aim, direct, take, train.

draw a bead on (verb)	take aim (verb)
have an ambitious plan or a lofty goal	point or cause to go (blows, weapons, or objects such as photographic equipment) towards
aim with a gun