From Wiktionary, the free dictionary
Literally, “free cheese exists only in a mouse-trap”.
- IPA(key): [bʲɪˈspɫatnɨj sɨr bɨˈva(j)ɪt ˈtolʲkə v‿mɨʂɨˈɫofkʲe]
беспла́тный сыр быва́ет то́лько в мышело́вке • (besplátnyj syr byvájet tólʹko v myšelóvke)
- there's no such thing as a free lunch; you don't get something for nothing