胯下之辱

kuà xià zhī rǔ

lit. the humiliation of having to crawl between the legs of one's adversary (as Han Xin 韓信|韩信[Han2 Xin4] supposedly did rather than engage in a sword fight) (idiom)

fig. (endure) utter humiliation

kuà

crotch

xià

down

zhī

(possessive particle, literary equivalent of 的[de5])

disgrace