どれ一ひとつMeaningsExpression1. not one (with a verb in the negative)Kanji used一oneExamples1私わたしは店みせの品しな物ものを全ぜん部ぶ試し着ちゃくしたのですが、どれ一ひとつ似に合あわないの。I must have tried on everything in the shop, but nothing looked right on me.