鸡蛋里挑骨头

jī dàn li tiāo gǔ tou

to look for bones in an egg

to find fault; to nitpick (idiom)

variant of 雞|鸡[ji1]

dàn

variant of 蜑[Dan4]

li

li, ancient measure of length, approx. 500 m

tiāo

to carry on a shoulder pole

bone

tou

suffix for nouns