That chip and PIN card that's in your pocket has a little chip on it that cost millions of pounds to develop, is extremely secure, you can put scanning electron microscopes on it, you can try and grind it down, blah blah blah.
你口袋里的芯片卡 上面有一块小芯片， 那是耗资数百万英镑开发出来的， 它非常安全， 你可以放一个扫描电子显微镜在上面， 或者试试磨损它之类的。