精通: to be well acquainted, have expertise

(history, government) a 律令 (ritsuryō) department under the 中務省 (Nakatsukasashō, “Ministry of the Center”), responsible for managing books and stationery used by officials

like this, in this way, so, thus

肛門: (anatomy) anus / 校門: school gate / 黄門: "yellow gate", the name of a post in old-time / 後門: rear gate / 公門: royal gate / 港門: harbour gate / 孔門: disciple of Confucius, Confucian school

農耕: agriculture / 農功: agricultural work / 農工: agriculture and industry / 濃厚: thick, rich / 濃香: heavy odor

小歌: a type of popular song / 小唄: ditty, ballad

昂大, 航太, 公太, 幸太, 孔太, 好太, 孝太, 恒太: a male given name / 晃多: a male given name

口試: oral test / 光子: photon / 講師: instructor, lecturer / 格子: lattice, grid / 甲子: beginning of the sexagenary cycle / 庚子: 37th of the sexagenary cycle / 公私: public and private things

孔子: Confucius / 交子: Jiaozi

交渉: negotiation / 黄鐘: one of the notes of the Shi'erlü / 巧匠: craftsman, skilled workman / 校章: school badge / 交床: kettle rest / 咬傷: bite (wound) / 好尚: interest, leaning