money pit
US /ˈmʌn.i pɪt/
UK /ˈmʌn.i pɪt/

1.
lubang wang, pembaziran wang
something that costs a lot of money to operate or maintain
:
•
That old car has become a real money pit.
Kereta lama itu telah menjadi lubang wang sebenar.
•
Buying that huge house was a mistake; it's been a money pit ever since.
Membeli rumah besar itu adalah satu kesilapan; ia telah menjadi lubang wang sejak itu.