sure as eggs is eggs
肯定，毫無疑問
口語·強調絕對肯定
英文釋義
absolutely certain or true, without a doubt
例句
He'll be late, sure as eggs is eggs.
典故來源
源自英國方言，語法錯誤但強調確定性，像雞蛋是雞蛋一樣無疑。