unpaid

1. ADJ If you do unpaid work or are an unpaid worker, you do a job without receiving any money for it. 无报酬的[ADJ n]

Even unpaid work for charity is better than nothing. 甚至无偿的慈善工作也好过没事可做。

2. ADJ Unpaid taxes or bills, for example, are taxes or bills which have not been paid yet. (税收或帐单) 未缴纳的

...millions of dollars in unpaid taxes. …所欠的数百万美元的税款。