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高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 3012 COCA: 2284
volunteer noun | verb
 1 
vol·un·teer / 7vBlEn5tIr ; 7vRlEn5tIE /noun C
1. someone who does a job willingly without being paid志愿者，自愿参加者:
•Most of the relief work was done by volunteers.大部分救援工作都由志愿人员进行。
2. someone who is willing to offer help主动提供帮助的人，自告奋勇者:
•I need some volunteers to help with the washing-up.我需要几个人自告奋勇帮我洗餐具。
3. someone who joins the army, navy, or air force without being forced to志愿兵;
⇒conscript
 2 
volunteerverb
1. I,Tto offer to do something without expecting any reward, often something that other people do not want to do自愿〔做某事〕; 自告奋勇，自愿效劳:
volunteer to do sth
•Helen volunteered to have Thanksgiving at her house this year.海伦主动提出今年的感恩节在她家过。
[+ for ]
•Sidcup volunteered for guard duty.西德卡普自告奋勇去站岗。
•I volunteered my services as a driver.我主动提出来当司机。
2. Tto tell someone something without being asked主动说出〔某事〕:
•Michael volunteered the information before I had a chance to ask.我还没来得及问，迈克尔就主动提供了信息。
3. Ito offer to join the army, navy, or airforce志愿服役，志愿参军:
•When war broke out, my father volunteered immediately.战争一爆发，我父亲立即志愿从军。
4. Tto say that someone else will do a job even though they may not want to do it擅自替〔某人〕答应下来:
volunteer sb for sth
•Mum volunteered Dave for washing-up duties.妈妈擅自替戴夫揽下洗碗的活儿。

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