未解決問題

みかいけつもんだい

noun

•

unresolved problem

未	un-, not yet, hitherto, still, even now, sign of the ram, 1-3PM, eighth sign of Chinese zodiac
解	unravel, notes, key, explanation, understanding, untie, undo, solve, answer, cancel, absolve, explain, minute
決	decide, fix, agree upon, appoint
問	question, ask, problem
題	topic, subject