Tā suīrán yǒu ge hǎokàn de pínáng, xìnggé què hěn chā.
He may have an attractive exterior, but his character is terrible.
Tips
culture
皮囊 is often used in the Buddhist-influenced phrase 臭皮囊 (this stinking bag of flesh), referring to the body as a mere container for the soul. In modern usage it more neutrally means one's looks or physique.