An idiom meaning surging momentum or force, like the rush of crashing waves; used for rapid, powerful progress.
スタートアップは怒涛の勢いで資金調達を成功させた。
The startup successfully raised funds in a flurry of momentum.
彼らの攻撃は怒涛の勢いで相手ゴールに迫った。
Their attack rushed toward the opponent's goal with overwhelming force.
新製品の販売は怒涛の勢いで伸びている。
Sales of the new product are growing rapidly and forcefully.