hatchet man

例句：

1. That hatchet man release rumor of a sex scandal to the press.
   那個撰文者把桃色醜聞泄露給新聞界。
2. The firm hired Mr Green to be hatchet man; his title is that of Executive Vice President.
   公司雇用格林先生專門負責整頓工作，他的頭銜是行政副總裁。

英文解釋：

名詞 hatchet man:

1. a professional killer
   同義詞：iceman
2. one whose job it is to execute unpleasant tasks for a superior
   同義詞：enforcer