Burnt-out vehicles or buildings have been so badly damaged by fire that they can no longer be used. [usu ADJ n]
//…a burnt-out car.
烧毁的汽车
If someone is burnt-out, they exhaust themselves at an early stage in their life or career because they have achieved too much too quickly. informal
But everyone I know who kept it up at that intensity is burnt out.
我所认识的每个一直保持那种强度的人都劳累过度。