鉄てつは熱あついうちに鍛きたえよ

expression

strike while the iron is hot

Proverb meaning one should act while conditions are favorable or while someone is still receptive. Often used as advice to seize the moment.

• やる気きがあるなら、鉄てつは熱あついうちに鍛きたえよだ。今いますぐ始はじめよう。

  If you're motivated, strike while the iron is hot. Let's start right now.

• 彼かれが興きょう味みを持もっている今いまがチャンスだ。鉄てつは熱あついうちに鍛きたえよと言いうだろう。

  Now is the chance while he's interested. As they say, strike while the iron is hot.