vow to

基本解释

When we vow to “spend less” and “save more”, it’s a worthy pursuit, but intangible.
当你发誓要“节约开支”或是“存更多钱”时，精神可嘉，却难以执行。
Republicans vow to slash line items in the budget, but the nuclear issue has not been their primary target, yet.
共和党人誓言要削减政府预算案中的开支项，但核问题还不是他们的主要目标。
After you see your dentist, you vow to do better this time, you stay on it for a few days, maybe, and then let it go again, until your next appointment.
在看过牙医后，你会暗暗发誓，从现在开始要好好保护牙齿。这样坚持了几天之后，很可能你又会恢复到从前的习惯，直到下一次再去看牙科。

And he made a vow to U.S.military members. "I will never rush the solemn decision of sending you into harm's way.
You have a freewill offering--just because someone wants to do this, a freewill offering. And you have a vow offering that would be offered on the successful completion of a vow, for example. And these sacrifices are all entirely optional.
自由祭品--只因为有人想这么干，自由祭品，还有一个誓言祭品,举个例子，一个誓言如果成功达成，便会供奉祭品，这些祭品都是可选择的。
耶鲁公开课 - 旧约导论课程节选
These protesters vow to keep the issue in front of the American public until peace and justice prevail in Darfur.

Fifty-five years ago, my father took a vow to die for his personal computer.
FORBES: Malone's Musings: Memorial Day 1999