中ちゅう流りゅう階かい級きゅうちゅうりゅうかいきゅうMeanings1nounmiddle classRefers to the socioeconomic middle class, similar to English usage.彼かれは中ちゅう流りゅう階かい級きゅうの家か庭ていに生うまれた。He was born into a middle-class family.中ちゅう流りゅう階かい級きゅうの生せい活かつ水すい準じゅん