プログレッシブ和英中辞典(第4版)の解説
こう【功】
〔手柄〕a great achievement；〔成功〕success ((in))
功成り名を遂げる
achieve success and fame
功を立てる
render distinguished services／distinguish oneself
この企画の立案者として功があった
He 「contributed greatly [made a great contribution] as the planner of this project.
功を急ぎ過ぎた
He was too eager for success.
さすがは年の功だ
Experience will tell.／〔個別の事例について〕It surely proves the advantage of experience.
功を奏する
be effective ((in))；be successful ((in))；work
新しい方策はインフレ抑制に功を奏した
The new measures were effective [successful] in curbing inflation.