Having no recollection of or involvement in something; not remembering or recognizing something (often used before a noun).
身に覚えの無い請求書が会社に届いた。
A bill for which we have no recollection arrived at the company.
彼は身に覚えの無い罪で疑われている。
He is being suspected of a crime he has no memory of committing.
身に覚えの無い名前が名簿に載っていた。
A name I had no recollection of was listed on the roster.