どれ一ひとつ

expression

not one; not a single one

Used with a negative verb to emphasize that absolutely none of the items in question applies. Often implies 'not even one' or 'not a single thing'.

• 彼かれの言いうことはどれ一ひとつ信しん用ようできない。

  I can't trust a single thing he says.

• この店みせの商しょう品ひんはどれ一ひとつとして満まん足ぞくできるものがない。

  There isn't a single product in this store that I find satisfactory.