A four-character idiom describing violent winds and raging waves; metaphorically refers to tumult, great upheaval, or stormy times.
彼の人生はまさに疾風怒濤で、多くの試練を乗り越えてきた。
His life has been full of storm and stress; he has overcome many trials.
プロジェクトは立ち上げ当初、疾風怒濤の勢いで進んだが、次第に落ち着いた。
The project moved forward with great momentum at first, but gradually settled down.
疾風怒濤の時代にあっても、冷静な判断が重要だ。
Even in turbulent times, calm judgment is important.