雞ㄐㄧjī蛋ㄉㄢˋdàn裡ㄌㄧ˙li挑ㄊㄧㄠtiāo骨ㄍㄨˊgú頭ㄊㄡ˙tou

  1. 雞蛋內並無骨頭，雞蛋裡挑骨頭比喻故意挑剔。如：「他老是雞蛋裡挑骨頭的故意找麻煩。」

英to look for bones in an egg, to find fault, to nitpick (idiom)​