the fact of not getting punished for something 免于惩罚;不受惩处;逃过惩罚 - with impunity
They continue to break the law with impunity. 他们继续违法而不受惩罚。 Those involved in such attacks often enjoy complete impunity. 参与此类袭击的人往往完全不受惩罚。
Word Originmid 16th cent.: from Latin impunitas, from impunis ‘unpunished’, from in- ‘not’ + poena ‘penalty’ or punire ‘punish’.- with impunity