一絲不苟

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

Silk; thread; fine thread-like strips used in cooking; a tiny trace or small amount; a classifier for such traces or amounts.

Function word; no; not; un-; negative prefix; used to form questions or emphasize a statement; sometimes used for rhythm.

If; if only; but; carelessly; negligently; temporarily; surname Gou.