•The Health clinic is relying on volunteers to run the office and answer the telephones.这家健康门诊依靠志愿者来负责办公室的日常工作和接听电话。

•Since it would be a highly dangerous mission, the Lieutenant asked for volunteers.由于那项任务非常危险，所以中尉请大家自告奋勇。

•It's a volunteer army with no paid professionals.这是一支志愿军，没有领军饷的职业军人。

•[+ to infinitive] During the emergency many staff volunteered to work through the weekend.紧急时刻，很多员工都自愿周末加班。

•I volunteered myself for the post of Health and Safety Representative.我自告奋勇担任卫生与安全代表一职。

•My mates volunteered me to do the talking.我的朋友们推举我去讲话。

•He volunteered for the army (= He became a member although he was not forced to by law).他自愿参军。

•If I were you, I wouldn't volunteer any details of what happened.要是我的话，我不会主动说出所发生事情的任何细节。

•[+ speech] "I saw her going out of the main entrance at about half past two," he volunteered.“我见她在大约两点半的时候从主出入口走了出来。”他主动说道。