He promised to chase them up and make them pay.他承诺要找到他们, 并且让他们付出代价。

It's the story of a man who comes to Hollywood to chase up a client who has defaulted on a debt.这个故事讲述的是一个人到好莱坞去寻找一个拖欠债务的客户。

I'll chase her up for those reports.我会追着她要报告的。

Can you chase up those statistics for me?你能帮我追踪一下那些统计数据吗？

The authority can chase up the source of the pollution and demand that the owner clean it up.当局可以追查到污染的源头并责令事主清理。

When I didn't hear from the suppliers or receive a refund, I chased the matter up.我既没有收到供货商的来信, 也没有收到退款, 于是我就开始追查此事。