ill-gotten gains
It's a Chinese idiom. Pinyin is f ē if è nzh ī C á I, which means whether you deserve money or not. It refers to the money you should not take.
explain
An undivided treasure
[Pinyin]: F ē if è nzh ī C á I
Ffzc
It's not money you deserve. It refers to the money you should not take.
Discrimination of words
Ill gotten gains
usage
Grammar: used as subject and object; used for money, etc
I don't want a cent.
ill-gotten gains
word for word and sentence for sentence - zhú jù zhú zì
men 's life is like boarding in this world - rén shēng ruò jì
regarded as a favour without patting trouble to oneself - shùn shuǐ rén qíng