1. zero tolerance - Noun
2. zero tolerance - Phrase
English Wikipedia has an article on:zero toleranceWikipedia
zero tolerance (uncountable)
The strict policy of enforcing all the laws of a state, or the rules of an institution, and allowing no toleration or compromise even for first-time offenders or petty violations.
I want to be clear. No company is too big to be prosecuted. We have zero tolerance for corporate fraud, but we also recognize the importance of avoiding collateral consequences whenever possible. Alberto Gonzales
Zero tolerance policies, heavy police responses to what would have once been considered empty boy boasting, and the increased fear and suspicion that they inspire only fuel more rage. The toxic school culture is only reinforced by repressive measures. Mark Ames
A democratic country has zero tolerance for all illegal monitoring operations. Jiang Yi-huah
If we are addressing the issue of weapons of mass destruction, we need to send a uniform, consistent message that there is zero tolerance to any country who is developing weapons of mass destruction, North Korea included. Mohamed ElBaradei
I have a zero tolerance for sanctimonious morons who try to scare people. Pat Robertson
I never did drugs and I can't really drink because I have zero tolerance for alcohol, so my vice became women. I was never faithful to most of them. Scott Baio