凡事徹底 ぼんじてってい Meanings Expression doing mundane things properly and thoroughly; thoroughness in all things; attention to detail Kanji 凡 ordinary. Read as ボン. 事 matter 徹 thorough. Read as テツ. 底 bottom. Read as テイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists