It's against the law to buy or sell switchblade knives.

我在离那孩子家两条街远的当铺买下它 只花了我六块钱。

I felt that one look at Vic's switchblade knife and gimlet gaze would have put Hayley's piddling domestic problems in some kind of reasonable perspective.

我觉得看到维克的弹簧刀和锐利目光能让哈里那些微不足道的家庭问题变得合情合理一点。

And it dances on your head a little bit because we carried switchblade knives in those days, and the kids in Bremerton didn't know what they were.

这种观念一直在你的头上悬着，因为那时我们身上带着弹簧刀，布雷默顿的孩子们不知道它们是什么。