理(り)由(ゆう) riyuuは wa誰(だれ)も() daremo分(わ)か()ら()な()い() wakaranai。 Nobody knows the reason. Literal Reason [topic-は] nobody doesn't-understand. 誰も分からない (nobody understands/knows) — 誰も + negative for universal negation. A simple statement of mystery. everyday conversation誰も~ない (nobody)
理(り)由(ゆう) riyuuは wa誰(だれ)も() daremo分(わ)か()ら()な()い() wakaranai。 Nobody knows the reason. Literal Reason [topic-は] nobody doesn't-understand. 誰も分からない (nobody understands/knows) — 誰も + negative for universal negation. A simple statement of mystery. everyday conversation誰も~ない (nobody)