Tra từ volunteer - Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

volunteer UK [ˌvɒl.ənˈtɪə r ] US [ˌvɑː.lənˈtɪr] noun countable [ volunteers ]
<I > a person who does something, especially helping other people, willingly and without being forced or paid to do it
• The Health clinic is relying on volunteers to run the office and answer the telephones.
• Since it would be a highly dangerous mission, the Lieutenant asked for volunteers.
• It's a volunteer army with no paid professionals.
Compare conscript
Thesaurus⁺: ↑Charity organizations ↑Generous and charitable ↑Freedom to act ↑Opportunity

• As a volunteer on the childcare project, I really saw life.
• He emphasized that all the people taking part in the research were volunteers.
• We're saving money by using volunteers.
• She placed her name on the list of volunteers.
• Charities such as Oxfam are always trying to recruit volunteers to help in their work.

verb
1. <A > intransitive or transitive 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
• + to infinitive During the emergency many staff volunteered to work through the weekend.
• I volunteered myself for the post of Health and Safety Representative.
• My mates volunteered me to do the talking.
• He volunteered for the army (= He became a member although he was not forced to by law).
Thesaurus⁺: ↑Accepting and agreeing ↑Accepting and agreeing reluctantly ↑Approving and approval
2. transitive to give information without being asked
• If I were you, I wouldn't volunteer any details of what happened.
• + speech "I saw her going out of the main entrance at about half past two," he volunteered.
Thesaurus⁺: ↑Saying and uttering ↑Saying again

• You can accuse me of cowardice, but I still wouldn't volunteer to fight in a war.
• I volunteered to do the washing up.
• Many women volunteered to work as nurses in the war.
• Did anybody volunteer to tidy up?
• They all volunteered to help with the digging.