vow

1. V-T If you vow to do something, you make a serious promise or decision that you will do it. 发誓

While many models vow to go back to college, few do. 很多模特儿发誓要重返大学，但几乎无人做到。

I solemnly vowed that someday I would return to live in Europe. 我郑重起誓总有一天我要重回欧洲生活。

2. N-COUNT A vow is a serious promise or decision to do a particular thing. 誓言

I made a silent vow to be more careful in the future. 我默默发誓今后要更加小心。

3. N-COUNT Vows are a particular set of serious promises, such as the promises two people make when they are getting married. 誓约

I took my marriage vows and kept them. 我结婚时立下了誓言而且一直信守诺言。