twardy orzech do zgryzienia

== Polish == === Alternative forms === (proscribed) ciężki orzech do zgryzienia, spory orzech do zgryzienia, trudny orzech do zgryzienia === Etymology === Literally, “hard nut to bite”. === Pronunciation === IPA(key): /ˈtfar.dɘ ˈɔ.ʐɛx dɔ‿zɡrɘˈʑɛ.ɲa/ Syllabification: twar‧dy o‧rzech do‿zgry‧zie‧nia === Noun === twardy orzech do zgryzienia m inan (idiomatic) hard nut to crack (problem that is challenging to solve) ==== Declension ==== === Further reading === twardy orzech do zgryzienia in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN twardy orzech do zgryzienia in Polish dictionaries at PWN