The only nut ever cracked with more than two hundred tons of powder!
It won't be so tough a nut to crack, after all.
Ah, there's one of the hardest nuts of all to crack.
"I fear that Merseyside is going to be much the hardest nut to crack," he said.
Maitre Mouche went back very softly to his place, where, not finding any more nuts to crack, he began to whittle a cork.
Ontario may be too tough a nut to crack right now, but whatever the reason I'm afraid there've been some definite feelers put out here.
The muscles of her forearm bunched and the nuts cracked.
The maggots thought their rotten nut was the whole world, so that when the nut cracked open, they died of shock.
And nuts, she cracked them in the door-hinge.
A hard nut to crack, admittedly, but there won't be another chance for quite a few years.