n.敏銳；聰明
His business acumen helped him to succeed where others had failed. 他在商業(yè)上的敏銳幫他在其他人失敗的地方獲得成功。
The Parisian police, so much extolled for acumen, are cunning, but no more. 巴黎警察一向以聰明稱道于世，其實不過是狡猾罷了。
