Dictionary / Vocabulary / 飛ぶ鳥も落とす勢い
とぶとりもおとすいきおい
great vigor; tremendous energy; forceful enough to knock down birds in flight
彼、今のところは飛ぶ鳥も落とす勢いだけれど、あの威勢いつまでもつのか、疑問だね。
He's unstoppable right now but the question is how long he can remain at the pinnacle of his career.