rhyme or reason [用于否定句] 1. (诗的)韵味或涵理 2. 逻辑性，条理；道理 a skyline without rhyme or reason(城市因无计划营造而形成的)参差无方的建筑物空中轮廓线 She sobbed, laughed, and without the slightest rhyme or reason, began singing. 她又哭又笑，过后又完全无缘无故地唱起歌来。 This proposal has no rhyme or reason(或 has neither rhyme nor reason). 这项提议简直莫名其妙。