kova pähkinä purtavaksi
Finnish edit
Alternative forms edit
Etymology edit
kova (“hard, tough”) + pähkinä (“nut”) + purtavaksi (“to bite, for biting”)
Phrase edit
- (idiomatic) hard nut to crack, tough nut to crack, (problem that is challenging to solve)
- (idiomatic) hard nut to crack, tough nut to crack (situation, person, group, etc. which is difficult to overcome or deal with)