You can say that someone goes unrewarded, or that their activities go unrewarded, when they do not achieve what they are trying to achieve.
例句
The jockey rushed back from America to ride at Nottingham on Monday but went unrewarded.那位職業(yè)賽馬騎師周一從美國趕回諾丁漢參加比賽，但是一無所獲。...a long and unrewarded struggle.漫長而徒勞的斗爭