They got off scot-free because of lack of evidence.

由于证据不足，他们得以逍遥法外。

《牛津词典》

Others who were guilty were being allowed to get off scot-free.

其他有罪的人获准免于受罚。

《柯林斯英汉双解大词典》

They can basically ride off into the sunset scot-free.

他们基本上可以趁着日落开溜，逍遥法外。

youdao

"Zimbabwe has gone through processes of announcing national union and reconciliation in the past and these processes have all been geared towards providing impunity and allowing perpetrators to go scot-free,".

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Big fish are allowed to go scot free, while only some minor players are reined in.

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Were the estates of those dying in 2010 getting off scot free, in the literal sense?

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Mr Obama gets off pretty much scot free, as he has in the half-dozen campaign accounts already published.

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