彬彬有礼 粗心大意 兴高采烈 中流砥柱 叫苦不迭 黄道吉日 各式各样 万不得已 一语道破 立地成佛
温文儒雅的；有礼貌的；#idiom629620#的 adjective er-BAYN Definition : notably polite or polished in manner 举止彬彬有礼或风度翩翩 Examples "When had my willful and boorish cousin turned into this urbane young artist greeting ...