形容词

1. She was a voluntary helper.
她是自愿帮忙的。

2. She is a voluntary worker at the hospital.
她是在这家医院义务服务的。

3. Mr.Smith did a lot of work for a voluntary organization.
史密斯先生为一民办组织做了很多工作。

4. He made a voluntary statement to the police.
他自动向警方陈述。

1. 志愿的：在杨庆堃先生的著述中,佛教既是具有相对独立的组织、义理、仪轨等体系的所谓制度的( institutional)宗教,又是在一定程度上独立于中国传统伦理身份的志愿的( voluntary)宗教(Yang,
1961) .

1. 自愿的;志愿的;主动的;自发的
Voluntary actions or activities are done because someone chooses to do them and not because they have been forced to do them.

e.g. Attention is drawn to a special voluntary course in Commercial French...
一门特别的商务法语选修课引起了大家的关注。
e.g. The scheme, due to begin next month, will be voluntary.
定于下个月开始实施的方案是自愿性质的。

noun

1. composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance

2. (military) a person who freely enlists for service

Synonym: volunteermilitary volunteer