一丝不苟

yìsī-bùgǒu

not one thread loose (idiom); strictly according to the rules; meticulous; not one hair out of place

HSK 3.0 · Band 7 trad. 一絲不苟

Watch it being written

Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.

一
丝
不
苟

Build with these blocks

Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.

一
丝
不

See it in sentences

他做事一丝不苟。

He does things meticulously.

什么工作需要一丝不苟？

What work requires great care?