“skin and bones”别理解成“皮肤和骨头”，正确的含义是极其瘦，骨瘦如柴，皮包骨。

【例句】
She came home from her trip nothing but skin and bones.
她从外面的旅行回家时候简直是骨瘦如柴啊。

By the influence of current trends, many young girls are almost nothing but skin and bones.
许多年轻女子受到时尚影响，瘦得皮包骨。