crack a nut
 

* 1.split open a dry nut

English Related Words* a crack shot

* a hard nut to crack

* a hard/tough nut to crack

* a nut case

* a tough nut to crack

* acajou nut

* acorn nut

* adjusting nut

* anchorage bolt nut

* apple nut

* at the crack of dawn

* axle nut

* babassu nut

* back nut

* ball nut