*inch¹/ɪntʃ; ɪntʃ/ n,plural inches 1 [C] a unit for measuring length, equal to 2.54 centimetres 英寸〔长度单位，等于 2.54 厘米〕 2 not give/budge an inch to refuse to change your opinions at all 寸步不让: It's not worth arguing — he won't give an inch. 争也没用，他是不可能让步的。