旷日持久的英文：
[Literal Meaning]
delayed/time/last/long
to waste time and delay for a long time

[解释]
用了很长时间，拖得很久。

[Explanation]
protracted

[例子]
这场旷日持久的地区冲突让很多人无家可归。

[Example]
This protracted territorial conflict made many people homeless.

The debate over the residual powers of the States has been long drawn out.
有关美国剩余的权力的争论已是旷日持久的了。

There followed a long - drawn - out legal tussle over the compensation to be paid to the bereaved families.
接踵而来的是一场为受难家属偿付抚恤金的旷日持久的法律纠纷。

To waste the day and stand by
旷日持久

Her opposition to the plan is of long standing.
她对这一计划的反对是旷日持久的。

The debate over the residual powers of the States has been long drawn out.
有关美国剩余的权力的争论已是旷日持久的了。

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。

The French and vietminh settled in for a long siege
法国和越南的军队进入了一场旷日持久的围城战。