Ill-gotten gains never prosper.

不义之财不发。

《新英汉大辞典》

We wish to know whether the blameworthy will be punished (or at the least have to return their ill-gotten gains).

我们很想知道理应受到谴责的人是否会得到应有的惩罚(或者说至少应当归还他们的不义之财)。

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We were savoring every bite of ill-gotten berry when all of a sudden the Jordan's backyard lights flicked on, and Mr.

正当我们细细品尝着这些来路不正的浆果时，突然，乔丹家后院的灯亮了，乔丹先生冲了出来。

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On the one hand many people probably think that Kenneth Lay was a scoundrel whose gains were ill gotten.

FORBES: Estate of Enron CEO Kenneth Lay Wins in Tax Court

Why not use those ill gotten profits of such offensive companies to get those companies to clean up their act?

FORBES: Socially Sensitive Stupidity

The SEC also named four Zirinsky relatives as "relief" defendants seeking disgorgement of ill-gotten gains.

WSJ: SEC Alleges Insider Ring Stemmed From AA Meeting