《南史·列传·卷五十九》
任窻平时身体强壮，腰围挺粗，这丧服期满后形容枯槁，难以辨认。
昉素强壮，腰带甚充，服阕后不复可识。
Ren Yan was usually strong and had a thick waist, but after the mourning period, he was so thin and emaciated that he was difficult to recognize.
<s>[INST] Kindly elucidate the central themes in this passage in English: 昉素强壮，腰带甚充，服阕后不复可识。 [/INST] Ren Yan was usually strong and had a thick waist, but after the mourning period, he was so thin and emaciated that he was difficult to recognize.</s>
Kindly elucidate the central themes in this passage in English: 昉素强壮，腰带甚充，服阕后不复可识。
user
Ren Yan was usually strong and had a thick waist, but after the mourning period, he was so thin and emaciated that he was difficult to recognize.
assistant