gallows arm

例句：

1. 1. The executioner's gallows arm was the most terrifying part of the execution.
   执行者的手是执行中最恐怖的部分。
2. 2. He was accused of murder and had his gallows arm cut off.
   他被控谋杀罪，被割去了绞刑架的手臂。
3. 3.The prisoner's gallows arm was a symbol of his suffering and hopelessness.
   囚犯的绞刑架手臂象征着他的苦难和绝望。