get away with it 成功躲避某事，不受惩罚

get away with 尤其指“做完坏事”(do sth wrong)也没有“受到处罚”(without being caught or punished)的情况。with 后面主要跟 it。

例句：

You'll never get away with it.

你永远不会逃之夭夭的。

I will not let you get away with this.

我不会让你逃之夭夭的。

Trust me; she'll never get away with it.

相信我，她肯定不会逍遥法外的。

对话：

A: Did they catch the men who robbed the bank?

抓到银行劫匪了吗?

B: No, they got away with stealing a lot of money.

还没有。劫匪们携带巨款而逃。