I believe in the institution of marriage.

我相信婚姻制度。

《柯林斯英汉双解大词典》

They bust up after five years of marriage.

他们结婚五年后离异了。

《牛津词典》

How did we get onto the subject of marriage?

我们怎么谈到婚姻问题上了？

《牛津词典》

Flicit's opinion of his wife's behavior after two months of marriage did not matter to him.

VOA: special.2009.06.27

Nonetheless, The Faerie Queenecan be said, however strangely, to be the first great poetic celebration in English of the institution of marriage.

然而无论《仙后》多么与众不同，它仍可被称为，第一部伟大的有关婚姻的,英文诗歌体盛典。

耶鲁公开课 - 弥尔顿课程节选

Abortion, adoption... things like same sex marriage, the constitutionality of different forms of marriage.

例如堕胎、收养、同性婚姻，以及各种形式的婚姻的合宪性问题。

发挥创造力的瞬间 - SpeakingMax英语口语达人

The observation desk is also witness to proposals of marriage almost daily, according to unofficial tallies.

BBC: At 80, the Empire State Building strikes back

But we also know that the rate of marriage among white women tends to be greater.

NPR: Women Of Color Lag Behind In Wealth

That doesn't mean we should change the definition of marriage, which is between a man and a woman.

BBC: Budget 2013: No tax break for married couples