旷日持久 [kuàng rì chí jiǔ]

• delay [last] for a long time; drag on; extend over days; long-drawn-out; maintain for a long time; prolonged; protracted; waste the day and stand by:

  long-drawn-out negotiations;

  旷日持久的谈判

  This long-drawn-out war brought their country's finance to the verge of bankruptcy.

  这场旷日持久的战争使他们国家财政濒于破产的边缘。