a hard nut to crack



a hard/tough nut to crack

a difficult problem to solve A company whose product has sold well in the States may find the European market a tougher nut to crack.
See also: crack, hard, nut

Common Names:

NameGenderPronouncedUsage
Milly['mili]
Matxin-Basque
Caerwyn-Welsh
Neifion-Welsh
Aikman['eikmən]
Ottone-Italian