America has often let atrocities go unpunished before.

美国之前也经常对暴行袖手旁观。

No good deed goes unpunished with you, does it?

好心遭雷劈，不是吗？

It goes under the category of no good deed goes unpunished.

因为好人难做啊。

We do not allow this type of action to go unpunished

我们不允许这种行为不受惩罚。

He said that fills us with pain and shame, and he says the crime will not go unpunished.

他说这让我们感到痛苦和羞耻，他说犯罪不会逃脱惩罚。

Clare Boothe Luce was known for expressing her opinions. Her most famous saying was: No good deed goes unpunished.

克莱尔·布思·卢斯以敢于表达自己的观点而出名。她最有名的一句话是：“善无善报。”

Kerry said that this kind of violence has too long gone unpunished, and the United States wants to change that.

克里说这类暴力长久以来未受到惩罚，美国希望改变这一现状。

Out at sea, oil spills are going undetectedand therefore unpunished.

在海上，漏油事件未被发现，因此未受到惩罚。

Someone who's killed before and gone unpunished.

某个曾经杀了人但并未得到惩罚的凶手。

Through Pandora, Zeus taught humanity to live by  his rules, but Prometheus remained unpunished.

通过潘多拉，宙斯教导人类遵守他的规则，但普罗米修斯仍然逍遥法外。