TOUGH NUT TO CRACK


Meaning of TOUGH NUT TO CRACK in English

{n. phr.}, {informal} Something difficult to understand or to do. * /Tom's algebra lesson was a hard nut to crack./ * /Mary found knitting a hard nut to crack./ Compare: HARD ROW TO HOE.

See: HARD NUT TO CRACK.

Dictionary of English idioms .      Словарь английских идиом.