pay penalty

支付罚款：指因违反规定或合同而需要支付的罚金。
常用释义
支付罚款：指因违反规定或合同而需要支付的罚金。

例句

If buyer fails to supply the goods within 100 days, seller must pay penalty of 10% of purchase order amount.

如果不能在100天内交货，卖方必须接受订单货值10%的罚款。