百年之好 (Bǎi nián zhī hǎo)

Basic Info

• Chinese Idiom: 百年之好 (Bǎi nián zhī hǎo)
• Pinyin: bǎi nián zhī hǎo
• Literal meaning: “A good union of a hundred years.”
  (百年 = a hundred years / a lifetime; 之 = of; 好 = good / harmonious union)

Figurative Definition

It is a formal, elegant way to describe a marriage – specifically, a lifelong, harmonious union between husband and wife. It expresses the wish and the ideal that a couple will remain together in love and harmony for their entire lives.

It is most commonly used as a wedding blessing or a formal description of a marriage, similar to “白头偕老” (growing old together), but with a more literary and ceremonial tone. It can also describe the formation of a marriage alliance between families.

In short: a lifelong, happy marriage.

Cultural & Historical Origin

This idiom appears in Song Dynasty literature, notably in Zuìwēng Tánlù · Zhang Shi Ye Ben Lü Xingge (《醉翁谈录·张氏夜奔吕星哥》) by Luo Ye (罗烨):

“今宁随君远奔，以结百年之好。”

“Now I would rather flee far away with you, to form a union of a hundred years.”

The passage tells of a woman willing to run away with the man she loves in order to seal a lifelong marriage bond with him. The phrase captures the determination and devotion of choosing a partner for life – even at the cost of leaving everything behind.

In traditional Chinese culture, marriage was not merely a personal romance – it was a union of families, a lifelong commitment, and a social bond. The phrase “百年之好” reflects this seriousness: a marriage is meant to last a hundred years, not a season.

A useful comparison:

• 百年之好 emphasizes the marriage bond itself – the union being formed.
• 白头偕老 emphasizes the couple growing old together – the lifelong process.

Key Lesson

Marriage is a commitment measured in decades, not moments. The idiom honors the seriousness and beauty of lifelong partnership – the decision to bind one’s life to another person not just for passion, but for the long journey ahead. It reminds us that a true “百年之好” requires patience, loyalty, and daily effort – not just a romantic beginning.

Cultural Note

In modern Chinese, “百年之好” is a formal, literary, and celebratory idiom. It appears in:

• Wedding speeches and blessings – wishing the couple a lifelong harmonious union.
• Formal writing and literature – describing a marriage or engagement.
• Historical and dramatic works – describing a couple’s commitment.
• Family announcements – “结为百年之好” (“to form a lifelong union”).

It is closely related to “秦晋之好” (Qín Jìn zhī hǎo – “the good relations between the states of Qin and Jin in the Spring and Autumn period“), which originally described a political marriage alliance between two states but is now also used for marriage ties between families. Its opposite is “露水夫妻” (lù shuǐ fū qī – “dew marriage,” meaning a brief, transient relationship).

Similar English Expressions

• A lifelong union – The most direct formal equivalent.
• To tie the knot – To get married (informal, does not imply duration).
• A marriage made in heaven – A perfect union (emphasizes destiny, not duration).
• To grow old together – The lifelong process of marriage (closer to 白头偕老).
• A lasting marriage – Emphasizing duration and stability.
• Till death do us part – A vow of lifelong commitment.
• A union for life – Formal and direct.
• Happily ever after – The fairy-tale version of lifelong love.

The closest and most natural equivalents are “a lifelong union,” “a lasting marriage,” and “till death do us part.”

In short, “百年之好” means a good union of a hundred years – a formal, elegant Chinese expression for lifelong marriage, and a reminder that the finest marriages are built not on a single romantic moment, but on a hundred years of shared commitment.