unpaid

形容词 unpaid:

1. not paid
2. without payment
   同义词：volunteer
3. engaged in as a pastime
   同义词：amateur, recreational

1. The salesmen is claiming for back payment of unpaid commission.
   销售人员正在提出索取尚未支付的佣金的要求。
2. He's taken unpaid leave for a month.
   他请了一个月的停薪假。
3. An unpaid, overdue debt or an unfulfilled obligation.
   欠帐未付的，逾期债款或未履行的职责