疑問氷解

ぎもんひょうかい

noun

•

one's doubts being cleared away (dispelled, resolved)(yojijukugo)

疑	doubt, distrust, be suspicious, question
問	question, ask, problem
氷	icicle, ice, hail, freeze, congeal
解	unravel, notes, key, explanation, understanding, untie, undo, solve, answer, cancel, absolve, explain, minute