punching bag

音标发音

I'm not going go be a punching bag for anyone.
我不会给任何人当替罪羊。
Jay Leno, after the inauguration, expressing the comedy world's dismay at the loss of their presidential punching bag
——杰·雷诺在奥巴马就职总统后，表达了喜剧世界对沙袋总统布什的卸任的遗憾。
And remember: This was Miguel Cotto, one of the best fighters of his time, who was reduced to nothing more than a mobile punching bag.
别忘了，这猎物可是米格尔。库托，这个时代最棒的拳手之一，可他却衰退得----充其量只算个移动的沙袋。

Perhaps the only accusation Rove didn't--and couldn't--deny regarded his role as a public punching bag.
FORBES: Karl Rove Speaks Up
Mr. Bush was also able to turn to his usual punching bag — the press.
NPR: Latin America Trip Not Entirely Business as Usual
Netsuite has been a bit of a punching bag in Silicon Valley software circles.
FORBES: Larry Ellison's Netsuite Takes On Foes (And Himself)

a leather bag filled with air, hung from a frame or attached to a stand and used by boxers for training or exercise