Old love does not tarnish.

Sami tarnished Layla's reputation.

Sami was trying to tarnish Layla's reputation.

He had picked from a drawer a little tarnished cylinder, and, undoing the tape, he handed me a short note scrawled upon a half-sheet of slate grey-paper.

Mary's reputation was tarnished by gossip.

He is afraid that he will tarnish his reputation if he disagrees.

Mary's reputation was tarnished by malicious gossip.

Sami was tarnishing Layla's reputation.

What in tarnation?

Her reputation was tarnished by gossip.