The Zhou Gnomon, one of the oldest and most important Chinese mathematical and astronomical texts; it is noted for describing the Pythagorean theorem and was consolidated as one of the [[算经十书|算經十書|suan4 jing1 shi2 shu1]] during the Tang dynasty

thighbone; femur

Literally "flesh growing back on the thighs"; describes the regret of wasting one's time in idle comfort without achieving anything or the physical state of becoming soft due to a lack of active service

abbreviation for the Zhou Gnomon canon of arithmetic, an ancient Chinese mathematical and astronomical text

To slap one's own thigh, hip, or buttocks to express excitement, delight, or despair.

to keep the beat of a song or express excitement by slapping one's own thighs

to lament the lack of opportunity to show one's ability; a sigh over time wasted in inactivity, originally referring to Liu Bei noticing he had gained weight on his thighs from lack of riding horses

the anatomical region of the hip and sacrum, specifically relating to the ischial area