这位收藏家展示了一把17世纪的古董喇叭枪。

The collector displayed a 17th-century antique ___blunderbuss.

他在派对上像个冒失鬼，打翻了饮料还踩到了别人的脚。

At the party, he acted like a total ___blunderbuss, spilling drinks and stepping on people's toes.