爪つめの先さきほど

expression

a tiny amount; a wee bit; to a slight degree

Idiomatic phrase literally meaning 'about the tip of a fingernail', used to emphasize a very small quantity or degree. Often used in negative or humble contexts.

• 彼かれの話はなしには爪つめの先さきほどの真しん実じつもない。

  There isn't even a shred of truth in his story.

• 爪つめの先さきほどの違ちがいも見み逃のがさない。

  I won't overlook even the slightest difference.