每日商務英語 第417期:機靈的 本文已影響 1.72W人 sharp as a tack 機靈的(成語)ing-bottom: 177.78%;">英文釋義 (IDIOM) Very intelligent.例句 Our accounting consultant may be old but she's sharp as a tack, and in only a few minutes she found a number of errors in our accounts.我們的會計顧問雖然年老,但是非常機靈,她在幾分鐘內就發現了賬目中的很多錯誤。