プログレッシブ和英中辞典(第4版)の解説
せいりょく【勢力】
❶〔権力〕power；〔影響力〕influence
勢力を振るう
wield one's influence／hold sway ((over))
勢力を得る
gain influence [power]／become influential
勢力を失う
lose one's power [influence]
彼の勢力が増してきた
His influence [power] is increasing [growing/on the rise].
彼は出版界で勢力がある［ない］
He is powerful [powerless] in the publishing world.
彼の業界での勢力は大きい
He has great influence within the industry.
彼女の教育界での勢力は衰えつつある
Her influence in educational circles is waning.
ナポレオンは一時ほとんど全ヨーロッパを彼の勢力下に置いた
At one time Napoleon had almost all Europe under his thumb.
東西の勢力の均衡が崩れた
The balance of power between the Eastern and Western camps has collapsed.
❷〔勢い〕
台風の勢力が衰えた
The typhoon has weakened [lost strength].
勢力争い
a struggle for power; a power struggle
勢力家
an influential man; a powerful man
勢力範囲［圏］
one's sphere of influence