to bow and bend the knee (idiom) / fawning / bending and scraping to curry favor
老虎凳
lǎo hǔ dèng
tiger bench (torture method in which the victim sits with legs extended horizontally along a bench, upper legs held down with straps while bricks are inserted under the feet, forcing the knee joint to bend in reverse)
奴颜婢膝
nú yán bì xī
servile and bending the knee (idiom) / fawning / bending and scraping to curry favor
genuflection, a form of salutation in Qing times performed by men, going down on the right knee and reaching down with the right hand
朱绂
zhū fú
(archaic) red silk ribbon tied to a seal or a jade pendant / red knee cover, part of an official's robes (also a synedoche for the attire of an official) / to be an official