义务工 yìwùgōng voluntary labor Origin Definitions Defs Strokes Stroke Words Sentences Sents yìwùgōng voluntary labor 义务 義務 yìwù volunteer describes work or services provided for free or without pay工 gōng nounverb work (bound form) work; productive labor; a jobyìwùgōng volunteer worker 义务 義務 yìwù volunteer describes work or services provided for free or without pay工 gōng noun worker (bound form) a worker; a person with a specific skill or trade, such as 木工 mùgōng