I've got your number
表示看穿某人的意圖或本質(zhì)，不會被欺騙。
用于警告或揭露他人，語氣直接。
英文釋義
To say you can't be fooled by someone since you have them figured out
例句
Stop lying—I've got your number, and I know what you're up to.
典故來源
源自20世紀(jì)初俚語，'number' 指人的特點(diǎn)或底細(xì)，比喻識破偽裝。