dead weight

音标发音

Experienced people like the man in this example are pivotal dead-weight turnaround targets.
经验丰富但心怀不满的人，比如本案例中的这个人，就是主要的改造目标。
Not so two walruses, all alone when we came across them lounging at the edge of an ice floe; both male and dead-weight huge, lying top and tail, comfortable, sleepy, their dignity somehow intact.
而两头海象却落落大方，它们都是雄性，体型庞大，舒服地躺在冰面上打瞌睡，而它们的优雅不减分毫。
The overall stability under the coupling force of dead-weight, wave force and seepage force is analyzed by the shear strength reduction with FEM.
并采用强度折减有限元法分析了海堤在自重、波浪力和渗透力耦合作用下的整体稳定性。

Seventy-five thousand tons—dead-weight—rushing through the fog at the rate of fifty feet per second, had hurled itself at an iceberg.
NEWYORKER: Unsinkable
Those that managed to escape to Israel before the gates were locked were treated as unwanted dead-weight by Barak and his media flacks who couldn't be bothered with the treachery at the heart of the operation.
CENTERFORSECURITYPOLICY: Hizbullah's media champions

A dead weight is a load which is surprisingly heavy and difficult to lift.
You can refer to something that makes change or progress difficult as a dead weight.