来自拉丁语votum,承诺，对神发誓，来自PIE*wegwh,庄严的说，词源同voice,vote.

1. I had to admire David's vow that he would leave the programme.

戴维发誓要离开这个项目，我不得不对他表示钦佩。

2. While many models vow to go back to college, few do.

很多模特发誓要重回大学校园，但很少有人做到。

3. I made a silent vow to be more careful in the future.

我暗暗发誓，日后要倍加小心。

4. He took a vow of chastity and celibacy.

他发下守贞禁欲的誓言。

5. He had broken his vow of poverty.

他违背了他安贫乐道的誓言。