1
pledge to do sth
She pledged to donate all the proceeds to charity.
她承诺将所有收益捐给慈善机构。
承诺；保证
pledged — past of pledge
先理解核心含义，再看它在真实句子里的用法。
承诺；保证
make a solemn promise to do something
She pledged to donate all the proceeds to charity.
她承诺将所有收益捐给慈善机构。
郑重承诺(做某事)。
To make a solemn promise (to do something).
以某物作抵押；典当。
To deposit something as a security; to pawn.
举杯表示友谊；为某人的健康干杯。
To give assurance of friendship by the act of drinking; to drink to one's health.
pledge
Base
原形
pledges
3rd person
第三人称单数
pledging
-ing
现在分词
pledged
Past
过去式
pledged
Past participle
过去分词
He pledges to support the cause.
他承诺支持这项事业。
She pledged her loyalty to the company.
她曾对公司宣誓忠诚。
They have pledged to reduce emissions.
他们已经承诺减少排放。
规则动词，过去式和过去分词均为 pledged。
He pledged to donate $1,000 to the local food bank.
他承诺向当地食物银行捐赠1000美元。
The government pledges to reduce carbon emissions by 2030.
政府承诺在2030年前减少碳排放。
They are pledging their full support to the education reform.
他们正在承诺全力支持教育改革。
She pledged to donate all the proceeds to charity.
她承诺将所有收益捐给慈善机构。
The company pledged that it would reduce carbon emissions by 50%.
该公司承诺将碳排放减少50%。
The students pledged their support for the strike.
学生们承诺支持罢工。
Not this
I pledge supporting the project.
Use this
I pledge to support the project.
错误：英语中动词 pledge 后接不定式 (to do) 表示承诺做某事，而非动名词 (doing)。中文学习者受汉语“承诺做某事”结构影响，容易误用动名词。
Not this
He pledged for his loyalty to the company.
Use this
He pledged his loyalty to the company.
错误：pledge 作为动词表示“宣誓、保证”时是及物动词，直接接所保证的内容（名词或不定式），不需要介词 for。中文学习者可能受“为……担保”的汉语影响而误加介词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
保证做某事
The government has pledged to reduce carbon emissions by 2030.
政府已承诺到2030年减少碳排放。
承诺支持
Several countries pledged support for the humanitarian effort.
几个国家承诺支持这项人道主义行动。
宣誓效忠
Citizens pledge allegiance to the flag at the ceremony.
公民在仪式上向国旗宣誓效忠。
承诺捐款
Donors pledged over $1 million to the fund.
捐款者承诺向该基金捐赠超过100万美元。
做出承诺
He pledged his word that he would finish the project on time.
他保证会按时完成项目。
宣誓效忠
Every morning the students pledge allegiance to the flag.
每天早上学生向国旗宣誓效忠。
发誓戒酒
After years of heavy drinking, he finally took the pledge.
经过多年的酗酒，他最终发誓戒酒。
保证，承诺
I pledge my word that I will be there on time.
我保证我会准时到那里。
我向美利坚合众国国旗及其所代表的共和国宣誓效忠，这是一个在上帝之下的国家，不可分割，人人享有自由和正义。
The Pledge of Allegiance is recited in US schools.
《效忠誓言》在美国学校中背诵。
我将我的生命和荣誉献给守夜人，为了今夜以及所有未来的夜晚。
This is the oath taken by members of the Night's Watch in Game of Thrones.
这是《权力的游戏》中守夜人成员所宣誓的誓言。
Use pledged naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把pledge拆成p和ledge，p谐音'趴'，ledge是'窗台'，想象趴在窗台上郑重发誓。
通常用于正式或严肃的场合，如承诺、宣誓或抵押，语气比‘promise’更郑重。在商业或法律文书中比较常见。
及物动词，后接名词或不定式
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.