Nà wèi lǎorén shēncái shòuxuē, zǒulù què hěn kuài.
The old man is thin and bony, yet he walks fast.
Tips
usage
瘦削 describes a bony, angular thinness, most often of the face or build. Compare 苗条 (slim, a compliment) and 消瘦 (to grow thin from illness or worry). In this word 削 is read xuē, not xiāo.