unrewarded(形容词):未得到报酬的;未获奖励/回报的;得不到应有回馈的。(也可更广义指“努力没有得到认可或结果”。)
/ˌʌnrɪˈwɔːrdɪd/
She spent years doing unrewarded volunteer work.
她多年从事没有报酬的志愿工作。
Despite his talent, he remained unrewarded by the system that promised fairness, and his contributions were quietly ignored.
尽管他很有才华,他仍未能从承诺公平的制度中得到回报,他的贡献也被悄然忽视。
由前缀 **un-**(表示否定,“不、未”)+ rewarded(reward 的过去分词,“被奖励/被回报的”)构成,字面意思就是“没有被奖励或回报的”。