They decided to betroth after years of dating.

他们在多年约会后决定订婚。

They will betroth next month in a grand ceremony.

他们将在下个月举行盛大的仪式订婚。

The prince will betroth the princess from the neighboring kingdom.

王子将与邻国的公主订婚。

He decided to betroth his daughter to a wealthy merchant.

他决定将他的女儿订婚给一个富有的商人。

Betroth: To promise to give in marriage.

订婚: 对结婚的承诺.

Betroth one's daughter to sb.

把女儿许配给某人。