1. 我們已經(jīng)找到幾個人自愿協(xié)助打掃大廳。
   We've enlisted a few volunteers to help clean the hall.
2. 她自愿參加救濟工作。
   She volunteered (her services) for relief work.
3. 他們都是自愿的，完全是因為喜歡做而做的。
   They're all volunteers, doing it just for the love of the thing.
4. 我們需要有人自愿幫忙把布景搭起、畫好。
   We need volunteers to help build and paint the set.
5. 這次出席純粹是自愿的。
   Attendance is purely voluntary.
6. 慈善事業(yè)依靠自愿捐贈。
   Charities rely on voluntary donations/contributions.
7. 誰自愿來幫忙收拾一下這些盤子？
   Can I have a volunteer to wash the dishes?
8. 他自愿為警方作供。
   He made a voluntary statement to the police.

自的英語翻譯：

愿的英語翻譯：