Elbow and knee
Chinese idiom, the Pinyin is zh ǒ UX í NGX ī B ù, which means crawling forward, indicating piety or sadness. From Du Yang zabian.
The origin of Idioms
In the volume of Du Yang Za Bian written by Su E of Tang Dynasty, "sometimes there are soldiers who break their left arms in front of the Buddha and hold them in their hands. Step by step, the blood flows to the ground. As for walking on elbows and knees, gnawing fingers and cutting hair, it's hard to count."
Idiom usage
Used as a predicate or attributive; used in writing. example after burial, Lu tomb, weeping at three o'clock on the day, ~, buried in the earth. Wang Bizhi, Song Dynasty
Elbow and knee
bring a romance to a happy ending - chéng rén zhī měi