一いっ片ぺん

noun

a piece; a fragment; a bit

Refers to a single small physical piece, scrap, or fragment of something.

• パンを一いっ片ぺんちぎって食たべた。

  I tore off a piece of bread and ate it.

• ガラスの一いっ片ぺんが床ゆかに落おちていた。

  A fragment of glass had fallen on the floor.

noun

iota; trace; the slightest bit

Used in negative or minimal expressions to mean 'even a tiny amount', often with ～も…ない.

• 彼かれの話はなしには一いっ片ぺんの真しん実じつもなかった。

  There wasn't a shred of truth in his story.

• 一いっ片ぺんの悔くいもない。

  I have not the slightest regret.