1、I'm not going go be a punching bag for anyone.
我不會給任何人當替罪羊。

2、Dudley's favorite punching bag was Harry, but he couldn't often catch him.
德萊最喜歡的沙袋就是哈利，但是他通常抓不住哈利。

3、He makes his living as a punching bag for drunken businessmen.
他靠充當那些醉鬼商人的出氣筒來謀生。

punching bag翻譯