1
- a solemn promise or undertaking保证, 承诺, 诺言; 誓言, 宣言：
with infinitive the conference ended with a joint pledge to limit pollution.会议以一个限制污染的联合宣言而结束。
1.1
- a promise of a donation to charity（慈善捐赠）承诺：
appeals for emergency relief met with pledges totalling only $450,000, 000.
紧急救援的呼吁只收到总计4.5亿美元的捐赠承诺。
1.2
the pledge
a solemn undertaking to abstain from alcohol戒酒誓言：she persuaded Arthur to take the pledge.
她劝亚瑟宣誓戒酒。
2
- Law a thing that is given as security for the fulfilment of a contract or the payment of a debt and is liable to forfeiture in the event of failure【律】抵押品。
2.1
- a thing given as a token of love, favour, or loyalty信物。
3
- archaic the drinking of a person's health; a toast〈古〉为健康祝酒; 祝酒。
1
- with obj. and infinitive commit (a person or organization) by a solemn promise让（人, 组织）发誓：
the government pledged itself to deal with environmental problems.
政府发誓要着手应对环境问题。
1.1
- with clause formally declare or promise that something is or will be the case声明, 保证：
the Prime Minister pledged that there would be no increase in VAT.
首相保证不再会增加增值税。
1.2
- no obj., with infinitive solemnly undertake to do something保证, 承诺：
they pledged to continue the campaign for funding.
他们承诺要将筹集资金的活动进行下去。
1.3
- with obj. undertake formally to give承诺给予, 承诺提供：
Japan pledged $100 million in humanitarian aid.
日本承诺提供一亿美元的人道主义援助。
2
- with obj. Law give as security on a loan【律】用…作抵押：
the creditor to whom the land is pledged.
本土地的抵押债权人。
3
- with obj. archaic drink to the health of〈古〉为健康祝酒。
短语
pledge one's troth
- 见TROTH.
派生词
pledger
nounpledgor
noun （Law【律】）词源
Middle English (denoting a person acting as surety for another)： from Old French plege, from medieval Latin plebium, perhaps related to the Germanic base of PLIGHT1.