zero tolerance noun
Learner's definition of ZERO TOLERANCE
[noncount]
: a policy of giving the most severe punishment possible to every person who commits a crime or breaks a rule零容忍政策（对罪犯或违规者处以最严厉惩罚的政策） -
The police announced that there will be zero tolerance for looters. [=anyone caught looting will be punished as harshly as possible]警方宣称将对抢劫犯零容忍。
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The camp has a zero tolerance drug and alcohol policy. [=drugs and alcohol are not allowed at the camp and anyone found with drugs or alcohol will be punished]营地对毒品和酒精实行零容忍政策