Miànduì zhème duō dìngdān, xiǎo diàn zhāojiàbùzhù le.
Faced with so many orders, the little shop just couldn't keep up.
Tips
history
From the Ming novel 《封神演义》: 姚天君招架不住 — describing a sorcerer unable to fend off blows in combat. The martial 'parrying' sense is the literal root.
usage
Originally about blocking blows in a fight; now used for any onslaught — questions, work, customers, persuasion. Often takes 有点 or 实在 before it for softening or emphasis.