They are related by marriage.

他们是姻亲.

《简明英汉词典》

Their families are now connected by marriage.

他们两家现已联姻.

《现代英汉综合大词典》

She is English by birth but French by marriage.

她是英国血统,但嫁给法国人而入了法国籍.

辞典例句

He and the Smiths are connected by marriage.

他与史密斯家联姻.

辞典例句

The two men are connected by marriage.

这两个男子是姻亲.

辞典例句

I am related to her by marriage.

我和她有姻亲关系.

辞典例句

She's a peeress in her own right , ie not merely by marriage to a peer.

她本身就是贵族(并非因嫁给了贵族).

辞典例句

The two families are closely related to each other by marriage.

这两个家庭由于婚姻关系而紧密联系在一起.

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I am French by birth and a British subject by marriage.

我按出生是法国人,因结婚而成为英国公民.

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Love is an obsessive delusion that is cured by marriage.

爱情是一种迷恋幻想症,只有婚姻可以治好.

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She is my aunt by marriage not my mother's sister.

她是我姑妈,不是我姨妈.

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Families sought favourable alliances, either by marriage or contract.

各个家庭通过婚姻或者婚约来建立有力的亲缘关系.

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Family is no longer formed by marriage, but united by the child.

孩子取代了婚姻成了家庭的新的定义.

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He allied himself with a powerful family by marriage.

他通过联姻与一有权势的家族结成亲戚.

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Our two families formed a union by marriage.

我们两家结为了秦晋之好.

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