建议你看看美国肥皂剧《绝望的主妇》第四季第六集，里面有演示

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http://www.buddytv.com/articles/desperate-housewives/desperate-housewives-episode-4-13342.aspx

Lynette has a possum in her yard and it's making her crazy. She goes to Bree for a gun to kill it, since poison and traps haven't worked. Bree tells her that's illegal and suggests that Lynette go buy an air rifle instead.

Lynette is obsessing over that darned possum. Instead of going to the party, she's outside in the tree laying in wait with the air rifle after setting out candy as bait for the possum. Tom tries to talk her out of this, but she seems to feel like this possum is trying to take something from her and destroy something of hers, similar to what the cancer is doing.