Some recipes may have enough cohesion to stay together once rolled out, but others will persistently crumble every time you attempt to transfer the crust from the rolling pin to the top of your pie.
Once you're done working for the night, you'll feel great that you've finished but come the next day when you're faced with a challenge, you'll crumble from lack of energy to deal with it.
The book's ancient pages were so brittle, he feared they would crumble before he finished.
The barrier that separated the Arabs from the conquered nations begins to crumble away.
Towards the northern end of Malabar hill lie the Parsee Towers of Silence, where the Parsecs expose their dead till the flesh is devoured by vultures, and then cast the bones into a well where they crumble into dust.