白頭到老 [ㄅㄞˊ ㄊㄡˊ ㄉㄠˋ ㄌㄠˇ; bai2 tou2 dao4 lao3] (to live together until the) white hairs of old age (idiom); to live to a ripe old age in conjugal bliss until death do us part ◄ ►
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