vow

oath, pledge, vow

名词 vow:

1. a solemn pledge (to oneself or to another or to a deity) to do something or to behave in a certain manner

动词 vow:

1. make a vow; promise
2. dedicate to a deity by a vow
   同义词：consecrate

1. Catholic priests take a vow of celibacy.
   天主教神父发誓不结婚。
2. Once he took the vow his loyalty never wavered.
   他一旦宣了誓，他就一直忠贞不渝。
3. He vowed that he would prosecute them for fraud.
   他郑重宣布将起诉他们犯有欺诈罪。
4. All the men took a vow of loyalty to their leader.
   所有士兵都发誓效忠他们的指挥官。

vow

n.（名词）
An earnest promise to perform a specified act or behave in a certain manner, especially a solemn promise to live and act in accordance with the rules of a religious order:
誓言：以某种方式履行一特定行动或行为的诚挚承诺，尤指答应遵循一种宗教法规生活和行事的正式许诺：
例句：
take the vows of a nun.
发誓成为一个尼姑

A declaration or an assertion.
宣言或断言
v.（动词）
vowed,vow.ing,vows
v.tr.（及物动词）
To promise solemnly; pledge.See Synonyms at promise
发誓：庄严地承诺；发誓参见 promise
To make a pledge or threat to undertake:
立誓要做：发誓或威胁去从事：
例句：
vowing revenge on their persecutors.
发誓要对他们的迫害者复仇

v.intr.（不及物动词）
To make a vow; promise.
发誓；许诺

来源：
Middle English vou
中古英语 vou
from Old French
源自 古法语
from Latin vôtum * see vote
源自 拉丁语 vôtum *参见 vote

【引伸】
vow.er
n.（名词）

---------------另--------------
vow
vow 2

v.tr.（及物动词）
To declare or assert:
宣称或断言：
例句：
.Well, I vow it is as fine a boy as ever was seen!.(Henry Fielding)
.好吧，我断定他是我见过的一个最好的孩子!.(亨利·菲尔丁)

来源：
Short for avow
avow的简写