威勢いせい
JLPT: +
power, might, authority, influence

Kanji:
Noun
Example Sentences

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.

• • •

さあ、駆けつけ三杯、威勢よくぱっといきましょう。
Anybody who shows up late has to chug!