breaking point

1. N-UNCOUNT If something or someone has reached breaking point, they have so many problems or difficulties that they can no longer cope with them, and may soon collapse or be unable to continue. 崩溃边缘[also 'the/a' N]

The report on the riot exposed a prison system stretched to breaking point. 关于这场暴乱的报道暴露了一个被逼到崩溃边缘的监狱体制。