in sackcloth and ashes

Behaving in a way that shows one's penitence or remorse for one's misdeeds or poor behavior. Darren has been in sackcloth and ashes ever since his girlfriend broke up with him for cheating on her. There's no way to turn back time on the way I treated my brother growing up. All I can do now is stay in sackcloth and ashes.

Common Names:

Name	Pronounced	Usage
Maristella	-	Italian
Reinhild	rien-HIL-də	German
Herring	['heriŋ]
Gulnar	-	Kazakh, Azerbaijani
Xanthippos	-	Ancient Greek
Mcmahon	[mek'ma:ən]