community service

1. N-UNCOUNT Community service is unpaid work that criminals sometimes do as a punishment instead of being sent to prison. (作为犯罪惩罚的) 社区服务

He was sentenced to 140 hours' community service for drunk driving. 他因醉酒驾车被判140小时的社区服务。

2. N-UNCOUNT Community service is unpaid voluntary work that a person performs for the benefit of his or her local community. (自愿、无偿的) 社区服务

I have been doing community service work in Oakland for the past several years. 过去几年里我一直在奥克兰做社区服务工作。