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
Renata	re-NAH-tah (Italian, Spanish, German, Polish)	Italian, Spanish, Portuguese, German, Polish, Czech, Croatian, Slovene, Late Roman
Verethragna	-	Persian Mythology
Baugulf	-	Ancient Germanic
Justina	[dʒəs'ti:nə]
Machli	-	Biblical Hebrew
Jantine	yahn-TEE-nə	Dutch