① 物事の結果と過程、あるいは目的と手段など、重要なことと瑣末なことを取り違えること。
reversing the order of (relative) importance (of); putting the cart before the horse; the tables being turned; mistaking the insignificant for the essential; mistaking the means for the end
reversing the order of (relative) importance (of); putting the cart before the horse; the tables being turned; mistaking the insignificant for the essential; mistaking the means for the end