pledge

oath, pledge, vow

pledge, guarantee, assurance

名词 pledge:

1. a deposit of personal property as security for a debt
2. someone accepted for membership but not yet fully admitted to the group
3. a drink in honor of or to the health of a person or event
   同义词：toast
4. a binding commitment to do or give or refrain from something
   同义词：assurance

动词 pledge:

1. promise solemnly and formally
   同义词：plight
2. pay (an amount of money) as a contribution to a charity or service, especially at regular intervals
   同义词：subscribe
3. propose a toast to
   同义词：toast, drink, salute, wassail
4. give as a guarantee
5. bind or secure by a pledge

1. They pledged never to tell the secret.
   他们发誓决不泄密。
2. She pledged her support to us.
   她保证支持我们。
3. Take this ring as a pledge of our friendship.
   请接受这个戒指作为我们友谊的信物。

pledge

n.（名词）
A solemn binding promise to do, give, or refrain from doing something:
诺言，誓言：答应做，给予或避免不做某事的庄重有约束力的允诺：
例句：
signed a pledge never to reveal the secret; a pledge of money to a charity.
签署决不泄露秘密的诺言；捐钱给慈善事业的诺言

Something given or held as security to guarantee payment of a debt or fulfillment of an obligation.
抵押物：作为保证偿还债务或履行义务的担保而给予或持有的东西
The condition of something thus given or held:
抵押：这样给予或持有的担保物的条件：
例句：
put an article in pledge.
以物品作担保

Law
【法律】
Delivery of goods or personal property as security for a debt or an obligation:
质押：作为债务或义务担保的商品或个人财产的交付：
例句：
a loan that required a pledge of property.
需要用财产作质押品的贷款

The contract by which such delivery is made.
质押契约：使质押品交付的协议
A token or sign:
象征，徵兆：标志或符号：
例句：
.fair pledges of a fruitful tree.(Robert Herrick)
.果实结得多的树的美丽的象征.(罗伯特·赫里克)

A person who has been accepted for membership in a fraternity or similar organization and has promised to join but has not yet been initiated.
立誓入会的人：已经被兄弟会或类似的组织接受为会员而且立誓加入，但仍尚未入会的人
The act of drinking in honor of someone; a toast.
干杯：为某人的荣誉而喝酒的举动；祝酒
A vow to abstain from alcoholic liquor:
保证书：戒绝喝酒精饮料的誓言：
例句：
ex-drinkers who have taken the pledge.
已作出保证书的戒酒者

v.（动词）
pledged,pledg.ing,pledg.es
v.tr.（及物动词）
To offer or guarantee by a solemn binding promise:
许诺：用庄重有约束力的诺言提出或保证：
例句：
pledge loyalty to a nation; pledged their cooperation.See Synonyms at devote
向国家许诺忠心；许诺他们的合作参见 devote

See Synonyms at promise
参见 promise
To bind or secure by or as if by a pledge:
用…担保：用或好象用担保物来约束或保证：
例句：
pledged themselves to the cause.
用他们自己为诉因担保

To deposit as security; pawn.
抵押：作为担保存放；抵押

To promise to join (a fraternity or similar organization).
立誓加入：立誓加入（兄弟会或类似组织）
To accept as a prospective member of such an organization.
接受入会：接受某人成为这样组织的未来成员
To drink a toast to.
为…祝酒
v.intr.（不及物动词）
To make a solemn binding promise; swear.
许诺：作出庄重有约束力的誓言；发誓
To drink a toast.
祝酒

来源：
Middle English
中古英语
from Old French plege
源自 古法语 plege
probably from Late Latin plevium [a security]
可能源自 后期拉丁语 plevium [担保]
[of Germanic origin]
[源于日耳曼语]