一丝不苟 Save Sign in to save words Traditional (Taiwan): 一絲不苟 yīsībùgǒu ㄧ ㄙ ㄅㄨˋ ㄍㄡˇ not one thread loose (idiom) strictly according to the rules meticulous not one hair out of place Character by character 一(yī)one 丝(sī)silk 不(bù)no 苟(gǒu)surname Gou A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0