白头偕老

白头偕老 [bái tóu xié lǎo]

1. ■ reach old age together -- said of a couple; be a faithful old hoary-headed couple; live to a ripe old age in conjugal bliss; live together until old age; remain a devoted couple to the end of their lives; stick to each other till the hair turns grey:

愿你们两口儿白头偕老。 May you two live together till old and grey.

婚礼上， 新娘和新郎表示要互敬互爱，白头偕老。 At the wedding party， the bride and the bridegroom expressed that they would live in harmony and mutual respect and grow old together.