Chinese Linguistics: 找茬 = Picking Bones in Egg
找茬 = picking bones in egg.
茬 chá = stubble. 庄稼收割后余留在地里的短茎和根.
[etymology of stubble https://www.etymonline.com/word/stubble] «c.1300, “stumps of grain stalks left in the ground after reaping,” from Old French estuble “stubble” (Modern French éteule), from Vulgar Latin stupla, reduced form of Latin stipula “stalk, straw” (see stipule). Applied from 1590s to bristles on a man's unshaven face.»