vow

誓言、誓约、承诺

He made a vow never to gamble again.

他立下誓言，再也不赌博。

结婚誓词、婚约誓言常用复数

They exchanged vows in a small garden ceremony.

他们在小型的花园婚礼上互许誓词。

誓愿、愿宗教

The monk took a vow of silence for three years.

那位僧人发下静默三年的誓愿。

发誓、立誓、誓言

She vowed to finish the race no matter what.

她发誓无论如何都要跑完全程。

郑重宣布、公开声明

The mayor vowed that the bridge would reopen by summer.

市长郑重宣布，这座桥会在夏天前重新开放。