trafiła kosa na kamień

== Polish == === Etymology === Literally, “[a] scythe has hit [a] stone”. === Pronunciation === IPA(key): /traˈfi.wa ˈkɔ.sa na‿ˈka.mjɛɲ/ Syllabification: tra‧fi‧ła ko‧sa na‿ka‧mień === Proverb === trafiła kosa na kamień (idiomatic) diamond cut diamond; it takes one to know one (someone steadfast and relentless has come to face a similar opponent) Synonym: trafił swój na swego === Further reading === trafiła kosa na kamień in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN trafiła kosa na kamień in Polish dictionaries at PWN