the die is cast
決定已被做出，無法更改
書面·表達(dá)決定已定
英文釋義
the decision is made and cannot be changed; the future or outcome is determined and cannot be altered
例句
I've already submitted my resignation—the die is cast.
典故來源
源自羅馬歷史學(xué)家蘇埃托尼烏斯記載的凱撒名言，指渡過盧比孔河后決定已不可逆。