to deliberately ignore something that you know should not be happening (对某事物)视若无睹,装作看不见
Teachers were turning a blind eye to smoking in school.
老师对学生在学校里抽烟睁一只眼闭一只眼。
Examples from the Corpus
turn a blind eye (to something)• Directors know this is going on and turn a blind eye.• The best the authorities could do was turn a blind eye.• The staff knew what was going on but they turned a blind eye.• They just had to put up with it and turn a blind eye.• Automakers say that in their zeal to promoteairbags, regulatorsturned a blind eye to evidence of hazards.• Rugby, whose spectators are a fairly respectable lot, turns a blind eye to fighting on the field.• Many landlordsturn a blind eye to the fact that two families are sharingapartments.• But the police turn a blind eye to the lawbreaking.• He would prefer to turn a blind eye to the problem of asylumseekers around the world.