remain a devoted couple to the end of their lives
In Chinese, Pinyin is B ǎ ISU ì zh ī h ǎ o, which means that men and women are married. It's from the story of Epiphyllum and the elopement of a lady.
Idiom explanation
Good: friendship. A good union forever. A man and a woman are married.
The origin of Idioms
Tu Long of the Ming Dynasty wrote "the elopement of a scholar girl in the story of Epiphyllum" that "I admire her talents, so I'll try to be a good girl at the age of a hundred, not just to have a night's pleasure."
Idiom usage
As an object; as a couple.
Analysis of Idioms
Synonym: good for a hundred years.
remain a devoted couple to the end of their lives
Eating late is as good as enjoying meat. - wǎn shí dàng ròu
be busy at putting up installations - dà xīng tǔ mù
have a keen insight into matters - dòng zhōng kěn qìng