0 a person who does something, especially helping other people, willingly and without being forced or paid to do it -- 自願參加者，（尤指幫助別人的）志願者
1 to offer to do something that you do not have to do, often without having been asked to do it and/or without expecting payment -- 自願做；無償做；作志願者；主動提出做
[ + speech ] "I saw her going out of the main entrance half an hour ago," he volunteered. 「我見她在大約半個小時之前從主出入口走了出來。」他主動說道。
If I were you, I wouldn't volunteer any details of what happened. 要是我的話，我不會主動說出所發生事情的任何細節。
humorous My friends volunteered me to do the talking. 我的朋友們推舉我去講話。
I volunteered myself for the position of Health and Safety Representative. 我自告奮勇擔任衛生與安全代表一職。
He volunteered for the army (= he joined even though he did not have to). 他自願參軍。
[ + to infinitive ] During the emergency many staff volunteered to work through the weekend. 緊急時刻，很多員工都自願週末加班。
The role of mass media and the impact of volunteers are discussed in the next two chapters.
The volunteers, on the other hand, were at least from the next generation, compared to the cultivated variety from which they were lost.
In every community there are personnel (for example, key workers, volunteers, 'community gatekeepers') who are also consulted by its members at times of need.
The feedback from volunteers in our target audience, advanced and intermediate users, suggests that we may have achieved our cognitive objectives.
Effects of catecholamine depletion on alertness and mood in rested and sleep deprived normal volunteers.
However, everything depended on human cases to provide infective material and volunteers to detect it.
Ninety-five people volunteered to participate and answered a face-to-face questionnaire in the presence of an interpreter, after written informed consent was obtained.
Although available to all volunteers who have expenses, in practice honorary executives of voluntary agencies are those most likely to receive the payment.
