make a killing
賺大錢
口語·表達賺取巨額利潤
英文釋義
to make a large or excessive profit; to be extremely successful or fortunate in a financial or business venture
例句
She made a killing in the stock market last year and retired early.
典故來源
源自狩獵或戰爭術語‘killing’指大量獵殺，后轉喻商業上大獲成功。