to plight one's troth
01
to make a formal vow to get married to someone
![to [plight] {one's} troth definition and meaning](https://cdn.langeek.co/photo/18730/original/engagement?type=jpeg "to [plight] {one's} troth definition and meaning")
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例子
Plighting one's troth is a solemn declaration of love and fidelity, a promise to stand by each other through thick and thin.
to make a formal vow to get married to someone
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