怪かい中ちゅうの怪かいじ字FuriganaMeanings1nounmystery of mysteries; the most mysterious thingA dramatic set phrase used to describe something extremely mysterious or puzzling, often in literary or rhetorical contexts.この事じ件けんはまさに怪かい中ちゅうの怪かいだ。This case is truly a mystery of mysteries.
