1
volunteer to do sth
She volunteered to organize the event.
她自愿组织这次活动。
自愿做；主动提出做（某事）
先理解核心含义，再看它在真实句子里的用法。
自愿做；主动提出做（某事）
To do or offer to do something without being asked or forced.
She volunteered to organize the event.
她自愿组织这次活动。
自愿报名参加；应募。
To enlist oneself as a volunteer.
自愿做或主动提供做某事。
To do or offer to do something voluntarily.
通常未经请求而主动提供。
To offer, usually unprompted.
无需人工播种或有意栽培而生长。
To grow without human sowing or intentional cultivation.
volunteer
Base
原形
volunteers
3rd person
第三人称单数
volunteering
-ing
现在分词
volunteered
Past
过去式
volunteered
Past participle
过去分词
She volunteers at the local shelter every weekend.
她每个周末在当地的收容所做志愿者。
He volunteered to help with the project last year.
他去年自愿帮助这个项目。
They are volunteering for the community event today.
他们今天正在为社区活动做志愿者。
动词形式规则变化
She volunteered to carry the heavy boxes for her elderly neighbor.
她主动提出帮年迈的邻居搬重箱子。
Some parents volunteered for the school cleanup on Saturday.
一些家长自愿参加周六的学校大扫除。
He rarely volunteers personal information during conversations.
他很少在交谈中主动透露个人信息。
She volunteered to organize the event.
她自愿组织这次活动。
He volunteered for the night shift.
他自愿上夜班。
They volunteered as guides for the tour.
他们自愿担任旅游向导。
Not this
I volunteered in the project.
Use this
I volunteered for the project.
动词 volunteer 表示“自愿做”时，常搭配介词 for 或不定式 to do；用 in 是受中文“在……中志愿”影响的错误。
Not this
She volunteered helping the elderly.
Use this
She volunteered to help the elderly.
volunteer 后应接不定式 to do，而非动名词 doing，这是动词搭配错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
主动帮助；自愿帮忙
She volunteered to help with the cleanup.
她主动帮忙清理。
自愿报名参加；申请担任
He volunteered for the night shift.
他自愿报名上夜班。
自愿付出时间
Many retired teachers volunteer their time at local schools.
许多退休教师自愿在当地学校付出时间。
主动提供信息
He volunteered information about the suspect.
他主动提供了关于嫌疑人的信息。
自愿担任；志愿当
She volunteered as a guide at the museum.
她自愿在博物馆当讲解员。
在（某处）做志愿者
They volunteer at the food bank every Saturday.
他们每周六在食品银行做志愿者。
我自愿成为贡品！
Katniss Everdeen says this in The Hunger Games (2012) to save her younger sister Prim from being selected as a tribute in the deadly Games.
凯特尼斯·伊夫狄恩在《饥饿游戏》（2012年）中说出这句话，以拯救她的妹妹普丽姆，使她免于被选中参加致命的饥饿游戏。
Use volunteer naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 volunteer 联想成‘我来提议’的首音：主动举手说‘我来’，自愿报名去做某事。
语域：neutral 常见场景：日常对话中、学校或职场环境、正式报名或招募场合 该词通常为中性表达，正式与非正式场合都比较常见；多用于表示自愿参加活动、主动承担任务，或未经要求而主动提供信息。具体语气主要视语境而定。
这些词都与 volunteer 一样以 /ɪə(r)/ 音结尾，形成押韵。注意拼写相似的 voluntary（/ˈvɒləntəri/）和 volume（/ˈvɒljuːm/）发音不同，不能按拼写类推。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.