When rescuers find them weeks later, they are all skin and bones.

当救援人员几周后找他们的时候，他们已经瘦得皮包骨了。

If someone is too thin and looks sickly, you can say they are all skin and bones.

如果某人别瘦弱，你可以说他们瘦得皮包骨（all skin and bones）。

It had been a while since Harry had seen him out of Ron's pocket, and he was unpleasantly surprised to see that Scabbers, once so fat, was now very skinny; patches of fur seemed to have fallen out too.

自从哈利从罗恩衣袋里出来此刻已经有一些时候了，他以前那么肥胖的斑斑现在瘦得只剩皮包骨头了，他感惊讶而不快；斑斑的毛似乎也在一块块地脱落。

" None, m'lord. She come alone. Her horse was dying under her. All skin and ribs it was, lame and lathered. They cut it loose and took the girl for questioning" .

" 一个也没有，大人，她独自骑在奄奄一息的马上。那马瘦得皮包骨头，一瘸一拐，口吐白沫。他们放走了马，把女孩带回来盘问。"