coining it
大量獲利或賺錢
口語·形容輕松賺大錢
英文釋義
to make a lot of money or profit
例句
With that new app, the startup is coining it right now.
典故來源
源自鑄幣廠大量生產硬幣，比喻輕松快速地賺取大量金錢。