"protracted" in Chinese (Simplified)
拖延的持久的
Definition
比預期或通常持續更久；指一件事情持續很長時間，常常超出必要的時間。
Usage Notes (Chinese (Simplified))
'Protracted' 属于正式用语，常用于描述让人疲惫或消极的情形，如“protracted conflict（持久的冲突）”、“protracted negotiations（旷日持久的谈判）”。较少用于正面场合。
Examples
The meeting turned into a protracted discussion.
会议变成了一场**拖延的**讨论。
He suffered from a protracted illness.
他患有**持久的**疾病。
The war became protracted and costly.
战争变得**拖延的**且代价高昂。
After months of protracted negotiations, they finally reached an agreement.
经过数月的**旷日持久**谈判，他们终于达成协议。
His recovery was more protracted than the doctors had hoped.
他的康复比医生希望的要**持久**。
We ended up in a protracted legal battle over the property.
我们最终陷入了一场**漫长的**产权官司。