arrearage

详细解释:n. 拖延, 拖欠, 欠款
【经】 拖欠款项, 未付款, 滞纳金

详细解释：

ar.rear.age

n.（名词）
The state of being behind in the fulfillment of obligations or of being overdue in payment.
拖欠：处于到期未能履行职责或到期未能付款的状态
A payment owed.
欠款