oath, pledge, vow

pledge, guarantee, assurance

名詞 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
   同義詞：toast
4. a binding commitment to do or give or refrain from something
   同義詞：assurance

動詞 pledge:

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

1. They pledged never to tell the secret.
   他們發(fā)誓決不泄密。
2. She pledged her support to us.
   她保證支持我們。
3. Take this ring as a pledge of our friendship.
   請接受這個戒指作為我們友誼的信物。

pledge

n.（名詞）
A solemn binding promise to do, give, or refrain from doing something:
諾言，誓言：答應做，給予或避免不做某事的莊重有約束力的允諾：
例句：
signed a pledge never to reveal the secret; a pledge of money to a charity.
簽署決不泄露秘密的諾言；捐錢給慈善事業(yè)的諾言

Something given or held as security to guarantee payment of a debt or fulfillment of an obligation.
抵押物：作為保證償還債務或履行義務的擔保而給予或持有的東西
The condition of something thus given or held:
抵押：這樣給予或持有的擔保物的條件：
例句：
put an article in pledge.
以物品作擔保

Law
【法律】
Delivery of goods or personal property as security for a debt or an obligation:
質押：作為債務或義務擔保的商品或個人財產的交付：
例句：
a loan that required a pledge of property.
需要用財產作質押品的貸款

The contract by which such delivery is made.
質押契約：使質押品交付的協議
A token or sign:
象征，徵兆：標志或符號：
例句：
.fair pledges of a fruitful tree.(Robert Herrick)
.果實結得多的樹的美麗的象征.(羅伯特·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.
立誓入會的人：已經被兄弟會或類似的組織接受為會員而且立誓加入，但仍尚未入會的人
The act of drinking in honor of someone; a toast.
干杯：為某人的榮譽而喝酒的舉動；祝酒
A vow to abstain from alcoholic liquor:
保證書：戒絕喝酒精飲料的誓言：
例句：
ex-drinkers who have taken the pledge.
已作出保證書的戒酒者

v.（動詞）
pledged,pledg.ing,pledg.es
v.tr.（及物動詞）
To offer or guarantee by a solemn binding promise:
許諾：用莊重有約束力的諾言提出或保證：
例句：
pledge loyalty to a nation; pledged their cooperation.See Synonyms at devote
向國家許諾忠心；許諾他們的合作參見 devote

See Synonyms at promise
參見 promise
To bind or secure by or as if by a pledge:
用…擔保：用或好象用擔保物來約束或保證：
例句：
pledged themselves to the cause.
用他們自己為訴因擔保

To deposit as security; pawn.
抵押：作為擔保存放；抵押

To promise to join (a fraternity or similar organization).
立誓加入：立誓加入（兄弟會或類似組織）
To accept as a prospective member of such an organization.
接受入會：接受某人成為這樣組織的未來成員
To drink a toast to.
為…祝酒
v.intr.（不及物動詞）
To make a solemn binding promise; swear.
許諾：作出莊重有約束力的誓言；發(fā)誓
To drink a toast.
祝酒

來源：
Middle English
中古英語
from Old French plege
源自 古法語 plege
probably from Late Latin plevium [a security]
可能源自 后期拉丁語 plevium [擔保]
[of Germanic origin]
[源于日耳曼語]