解きあかす

(1)make clear and (more) comprehensible; "clarify the mystery surrounding her death"

(2)はっきりさせるおよび（より）理解できるようになる

(3)make free from confusion or ambiguity; make clear; "Could you clarify these remarks?"; "Clear up the question of who is at fault"

(4)不明瞭さまたは曖昧さをなくす

(1)