威勢
Common
Noun
1
noun (common) (futsuumeishi)
power;might;authority;influence
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.
2
noun (common) (futsuumeishi)
spirits;vigor;vigour;energy;boldness