a skeleton in the/ closet

a skeleton in the/somebody's closet

a secret that would cause embarrassment if it were known People almost always have skeletons in their closets, parts of their lives they don't want to reveal.

Common Names:

Name	Pronounced	Usage
Balzac	['bælzæk]
Marinho	-	Portuguese
Thorburn	THAWR-bərn	English (Rare)
Haywood	['heiwud]
Behnam	-	Persian
Diodotos	-	Ancient Greek