黄牛党的英文：
the scalpers

I bought a fake ticket from a scalper last month.
我上个月从一个黄牛手里买了一张假票。

Scalpers sold tickets to the concert for ten times the original price.
卖黄牛票的把音乐会的票以原价的十倍卖出。

Another scalper said his group has sold 10 iPhone 4s in the space of an hour.
另一位手机黄牛说，他的团伙在一小时内就销售了10部iPhone 4。

In addition we are able to product scalper drum skin, buffalo drum skin, sheepskin, and polyester drum skin and all kinds of drum fittings.
另外还大量生产黄牛鼓皮、水牛鼓皮、羊皮及聚酯鼓皮等各种鼓类配件。