ill-gotten gains

plural plural-only

Money or other property acquired dishonestly.

Japanese Meaning

不正な手段で得た金銭や資産 / 違法または不正に取得された利益

The politician was forced to resign after auditors uncovered his ill-gotten gains hidden in offshore accounts.

監査官が海外の口座に隠していた彼の不正に得た資金を発見したため、その政治家は辞任を余儀なくされた。

Sense（1）

Money or other property acquired dishonestly.

Ill-gotten gains never prosper.