Beautiful skin and bones
Fengji xiugu is an idiom, and Pinyin is f ē NGJ ī Xi ù g ǔ, which describes a woman or a flower that is tender and gorgeous and has rich rhyme.
interpretation
Rich skin, soft bones. It's the same as "strengthening the muscles and weakening the bones".
source
Song Yuan quhua's "shanhuazi" CI: "there is no sky in the misty attic, beautiful and beautiful. Independent, sentimental and shy, always demon research. "
Beautiful skin and bones