voluntease
基本解释
总答应做志愿工作却临时爽约的人（俚）
英文释义
A well intentioned person who repeatedly agrees to do some type of charity work, but ultimately does not follow through with the commitment, often with an excuse at the last moment.
> Mary said she would help with this year's church picnic, but she's such a voluntease, so I'm not holding my breath.
上一个单词：voluntas
下一个单词：volunteer