うろ覚おぼえ

noun

faint memory; vague recollection

Refers to a memory that is unclear, imprecise, or only partially remembered. Often used in the phrase うろ覚えで to mean 'from vague memory'.

• 彼かれの名な前まえはうろ覚おぼえだ。

  I have only a vague memory of his name.

• うろ覚おぼえで地ち図ずを描かいてみた。

  I tried drawing a map from vague memory.