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
Alison	AL-i-sən (English), a-lee-SAWN (French)	English, French
Saffira	-	Biblical Latin
Zartosht	-	Persian
Baz	BAZ	English (British)
Ballester	['bælistə]
Barica	-	Croatian