1.lit. even a submissive daughter-in-law will one day become a domineering mother-in-law (idiom)2.fig. the oppressed will become the oppressor3.what goes around comes around
1.(lit.) the ugly daughter-in-law must sooner or later meet her parents-in-law (proverb)2.(fig.) something unpleasant or embarrassing cannot be avoided forever; sooner or later one must face it