鉄は熱いうちに鍛えよ てつはあついうちにきたえよ Also written 鉄は熱い内に鍛えよ Meanings Expression strike while the iron is hot Kanji 鉄 iron. Read as テツ. 熱 heat. Read as あつい. 鍛 forge. Read as きたえる. Word lists Proverbs Jinuma: Japanese Dictionary · Word lists