鬼斧神工

guǐ fǔ shén gōng

supernaturally fine craft (idiom); the work of the Gods

uncanny workmanship; superlative craftsmanship

鬼

guǐ

disembodied spirit; ghost; devil

斧

fǔ

hatchet

神

shén

god; deity

工

gōng

work