vt. & vi.自动提供，自愿效劳 offer voluntarily or come forward as a volunteer

　～ some information　主动提供一些信息
　～ suggestion　主动提出建议
　～ as special correspondent　自告奋勇当特派记者
　～ for service　自愿服兵役
　～ for the work　自愿做这工作

　How many of them volunteered?　他们当中有多少人是自愿效劳的?
　As soon as the war was declared, many men volunteered.　一经宣布战争事项，就有很多人报名参军。
　Many people volunteered in the undertaking.　很多人自动来参加这项工作。
　He volunteered some information.　他主动提供了一些信息。
　They volunteered some interesting suggestions.　他们主动提出一些有趣的建议。
　My friend volunteered an interesting piece of news.　我的朋友自动说了一件有趣的消息。
　Smith volunteered the remark. He wasn't asked for his opinion.　史密斯主动说了这段话，没有人问他的意见。
　He volunteered to water our plants.　她主动提出给我们的树木浇水。
　Lots of people volunteered to give a helping hand.　许多人自动来帮忙。
　He volunteered to do whatever he could for them.　他主动提出，只要能够，他为他们干什么都行。
　They volunteer to help serve behind the counters.　他们自动来帮助站柜台。
　Whenever there was a message to deliver he always volunteered to carry it.　每当有什么信要送，他总是主动要求去送。
　He often volunteered to perform in the countryside and in factories and mines.　他经常自动到农村和工矿演出。
　She volunteered to take the lead in carrying out the assignment.　她主动带头执行这项任务。
　She volunteered to teach in the school.　她自愿在学校教书。
　Not wanting to be left at a loose end, the retired worker volunteered to repair shoes for the neighbourhood.　那位退休工人不愿在家闲着，自愿在街道上帮助补鞋。
　"We had a quarrel last night, and she left me," he volunteered.　他没等问就说道：“我们昨晚吵架了，随后她就离开了我”。
　"It's not my car, it's my father's," she volunteered.　她自己说：“车子不是我的，是我爸爸的。”

 ♣ volunteer as　(v.+prep.)
　自愿担任…　offer oneself or one's name as (a duty, job, or doing sth)
　She volunteered as a governess.　她自愿做家庭教师。
　He volunteered as correspondent for the war.　他主动要求作报道这次战争的记者。
　An old peasant volunteered as guide for the surveying trips.　一个老农自动提出为这次考察活动做向导。
 ♣ volunteer for　(v.+prep.)
　（使）自愿承担，主动提出承担，主动提出　(cause to) be willing to do sth
　She volunteered for the job.　她自愿接受此工作。
　He volunteered for the campaign.　他自愿参加这次战役。
　He always volunteered for the most dangerous missions.　他总是主动要求执行最危险的任务。
　They appealed to the young men to volunteer for service.　他们呼吁青年人主动服兵役。
　A year or so after he volunteered for the army he was badly wounded in a battle.　他志愿参军约一年后，在一次战斗中负了伤。
　When World War Ⅱ broke out, he volunteered for the Marine Corps.　第二次世界大战爆发时，他以志愿军身份参加海军陆战队。
　No one volunteered for cleaning the henhouse.　没有人主动去清理鸡舍。
　I volunteered your name for parents' game.　我会主动替你报名参加双亲运动会。
　I will volunteered my daughters for helping the church sale.　我会使自己的女儿自愿帮助教堂出售东西。

1. volunteer也可用作形容词，表示“自愿参加的，志愿的”。例如：
　The bridge was built by volunteer people.　这座桥是由自愿参加的人们建成的。
2. volunteer还可用作名词，表示“自愿者”。例如：
　This work costs us nothing; it's all done by volunteers.　这工作都是自愿者完成的，不花我们一分钱。

　［词源］拉丁语voluntarius（志愿者）