HSK 7-9
一丝不苟
yìsī-bùgǒuMeaning
not one thread loose (idiom); strictly according to the rules; meticulous; not one hair out of place
Stroke order
Appears across levels (7-9) in the HSK 3.0 word list.
not one thread loose (idiom); strictly according to the rules; meticulous; not one hair out of place