There is no such idiom
『Idioms containing the word "Ru"』
Idioms starting with the word "Ru": (***1) [r] Confucianism and elegance
The second character is the idiom of "Confucianism": (***8 cases) [h] Hong Confucianism and mastery of learning[j] Nine Confucianism and ten beggars[t] Tongru, Dashi, Tongru, Tongru, Tongru and Master[z] A section on dwarfs watching plays and dwarfs
The third character is the idiom of "ru": (***5) [b] 白面 Confucian scholar with a white face and a crown of Confucianism [f] romantic and elegant [w] gentle and elegant [y] Confucian scholar with a chin of Yan Books are piled up and Confucians are burnt, books are buried and Confucians are buried, Confucians are burned and books are burned and Confucians are buried [l] Teachers are Confucianists [s] Confucians are taught by old Confucians, masters are masters, Confucians are well versed in Confucianism, and Confucianism is talked about and Confucianism is fought [t] There are great Confucians in conversation and laughter [z] Little Confucians in chapters and sentences