とり とす いきお
tobu torimo otosu ikioi

Idiomatic Expression

1. great vigor; tremendous energy; forceful enough to knock down birds in flight — literal

かれ、今 いまのところは とり とす いきおいだけれど、あの威勢 いせいいつまでもつのか、疑問 ぎもんだね。
kare imano tokorowa tobu torimo otosu ikioidakeredo ano isēitsumade motsu noka gimondane.
He's unstoppable right now but the question is how long he can remain at the pinnacle of his career.