英语翻译：
marriage; relation by marriage
例句：
- 他在婚姻中扮演了一个被动的角色。
He played a passive role in the marriage.
- 她说她的婚姻不需要仲裁。
She said she did not need intercession about her marriage.
- 他的婚姻生活很幸福。
His marriage is full of happiness.
- 婚姻是大多数社会早已确立的制度。
Marriage is an institution in most societies.