How had he managed to run up so many debts?

他怎么欠了这么多债？

《牛津词典》

She managed to run up a credit card debt of $60,000.

她竟然用信用卡透支了6万美元。

《柯林斯英汉双解大词典》

It has big plans to run up to 500 flights from different places across the USA by 2024.

该公司的宏伟计划是，到2024年，在美国各地运营多达500个航班。

youdao

He jumped up and began to run.

VOA: special.2010.05.01

There's one guy who's going to run up and kick the ball.

有一名队员,会准备起跑并主罚这个点球

耶鲁公开课 - 博弈论课程节选

That's the set up. We're going to run the reactants, the reaction. The reactants are going to turn into products.

这就是我们的装置，我们要进行反应,让反应物变成生成物。

麻省理工公开课 - 热力学与动力学课程节选

Prices typically used to run up for five to six years before a slowdown.

FORBES: India

It is those attributes that have historically allowed countries with gold-defined money to run up large deficits.

FORBES: A Gold Standard Would Be Great, But It's Not a Deficit Cure

After all, merchants have to run up costs to serve voucher-bearing customers while they wait to get paid.

WSJ: HEARD ON THE STREET: Groupon's Terms Not Endearing