free lunch
US /friː lʌntʃ/
UK /friː lʌntʃ/

1.
makan tengah hari percuma, sesuatu yang percuma
something that is obtained without effort or cost, often implying that such a thing is rare or nonexistent
:
•
There's no such thing as a free lunch; everything has a cost.
Tiada yang namanya makan tengah hari percuma; semuanya ada kosnya.
•
He thought he could get rich quickly, but he soon learned there's no free lunch.
Dia fikir dia boleh kaya dengan cepat, tetapi dia segera belajar bahawa tiada makan tengah hari percuma.