millstone around (one's) neck

A heavy burden. I wish I hadn't bought that house—the mortgage is a millstone around my neck.

Name	Pronounced	Usage
Auden	['ɔ:dn]
Eutychos	-	Ancient Greek, Biblical Greek
Iob	-	Biblical Latin, Biblical Greek
Haruna	hah-ṙoo-nah	Japanese
Liborius	-	Late Roman
Eliza	i-LIE-zə (English), e-LEE-zah (Polish)	English, Polish, Portuguese (Brazilian)