18.

blood money
血腥錢

[雙語解釋]

Money that is paid as retribution for injury, loss of life, vandalism, etc.
為他人受傷、喪命、損壞財產而付出的酬金。

例句：

The mafia paid blood money to have that man killed.
黑手黨拿出血腥錢將那人殺了。