基本解释白头偕老，白头到老 bitu-xilǎo,bitu-dolǎo[both live to ripe old age;remain a devoted couple till the end of their lives] 偕老:一同到老。夫妇共同生活到老。常用以称颂婚姻美满 我原说过,她不会跟你白头偕老的。巴金《寒夜》辞典解释白头偕老bái tóu xié lǎo ㄅㄞˊ ㄊㄡˊ ㄒㄧㄝˊ ㄌㄠˇ 形容夫妻恩爱到老。明．陆采《怀香记．第二三出》：「孩儿，我与你母亲白头偕老，富贵双全。」也作「白头到老」。 近义词白头相守英语 (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
