投闲置散 meaning in Chinese

throw on the scrap heap; put in an idle position; stay idle

Our brothers are already in the field! why stand we here idle ?
我们的弟兄已经开赴战场，为什么我们还在这里投闲置散？
When a street is being flushed , only the special driver of the street washing team operating the street washing vehicle is working while other team members are idle
在洗街队冲洗街道时，只有操作洗街车的特级司机在工作，其他队员则投闲置散。
In particular , the unremitting idleness of such prisoners , a problem that the delegation observed in every facility that houses them , is of serious concern
然而代表团考察各处羁押未定罪犯人惩教机构，都发觉他们日日无所事事，投闲置散的情况甚为严重。