真的很危险！狗的pack mentality很可怕。 要报警，要有一个说法。为自己也为别人。

可以考虑以后出门带喷雾辣椒水。
邮递员都带的。www.amazon.com/Guard-Dog-Security-18-Percentage-Keychain/dp/B003NQLFTS/ref=sr_1_cc_2

http://www.amazon.com/SprayShield-Animal-Deterrent-Spray-Belt/dp/B0002XKIV6/ref=sr_1_1?s=pet-supplies&ie=UTF8&qid=1381001450&sr=1-1&keywords=mace+dog+repellent