punching bag
参考词典中punching bag的常规释义：
基本释义
- n.吊袋,攻击目标
英英解释
2个名词解释
- a person on whom another person vents their anger
[例]- he resigned because his boss used him as a punching bag
- an inflated ball or bag that is suspended and punched for training in boxing
[同] punch bag, punchball, punching bag, punching ball
点击查看……- a person on whom another person vents their anger
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