ㄅㄞˊbáiㄊㄡˊtóuㄉㄠˋdàoㄌㄠˇlǎo

  1. 形容夫妻恩愛醒世恆言··獨占花魁》:小娘風波剛好老成孤老兩下志同道合白頭到老這個從良。」白頭偕老」。

(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
" Bis ins hohe Alter alles zusammen erleben " [Glückwunsch zur Hochzeit] (S)​