一丝不乱 / 一絲不亂

yī​sī​bù​luàn

meticulous

arranged in perfect order; meticulous and precise to the smallest detail; not a hair out of place

一 (literal) → 一 · yī · one 丝 (literal) → 丝/絲 · sī · trace 不 (literal) → 不 · bù · not 乱 (literal) → 乱/亂 · luàn · messy

Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

created sense May 20, 2026, 07:58 PM