Bring something to its knees
Definition 1 of 1
Pro Tip 1/3Extreme Impact
This phrase implies a severe negative effect that threatens to stop something's normal function. 
The pandemic might bring the healthcare system to its knees.
Pro Tip 2/3Figurative Sense
Used metaphorically, not literally. It's not about physical kneeling, but a collapse or failure. 
The cyber attack could bring the bank to its knees.
Pro Tip 3/3Connotations of Crisis
The phrase often conveys a sense of crisis or emergency requiring urgent attention or action. 
Without urgent aid, famine will bring this region to its knees.