make a killing

US /meɪk ə ˈkɪlɪŋ/
UK /meɪk ə ˈkɪlɪŋ/
"make a killing" picture
1.

大赚一笔, 发大财

to make a lot of money very quickly and easily

:
He made a killing in the stock market during the tech boom.
他在科技繁荣时期在股市上大赚了一笔
They're hoping to make a killing by selling their startup.
他们希望通过出售他们的初创公司来大赚一笔