國語辭典媳婦熬成婆
忍氣吞聲侍奉公婆的媳婦，日子熬久了，總有一天也會成為權大威風的婆婆。比喻受盡委屈者，終會苦盡甘來，一逞威風。如：「像咱們這些小教員，何時才能媳婦熬成婆，當上校長呢？」
英語 lit. even a submissive daughter-in-law will one day become a domineering mother-in-law (idiom), fig. the oppressed will become the oppressor, what goes around comes around
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