Correct

髀肉复生

/ bì ròu fùshēng / 
Strokes

Example

Definition

(of a general) get flabby in one's thighs as one now rarely rides a horse into combat—remain idle in comfort and ease while yearning for active service

1
Tuìxiū
退休
zhīhòu
之后
  
,
tā
他
cháng
常
yǒu
有
bì
髀
ròu
肉
fùshēng
复生
zhī
之
tàn
叹
  
。

He often regretted being out of the action after retirement.